561 lines
19 KiB
TypeScript
561 lines
19 KiB
TypeScript
import * as api from "@/lib/backend/api";
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import type { DatabaseType, QueryResult } from "@/types/database";
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import type { RoutineParameter, RoutineParameterMode } from "@/lib/table/routineExecutionSql";
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export interface LoadRoutineParametersOptions {
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connectionId: string;
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database: string;
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databaseType?: DatabaseType;
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schema?: string;
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routineName: string;
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}
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export async function loadRoutineParameters(options: LoadRoutineParametersOptions): Promise<RoutineParameter[]> {
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if (options.databaseType === "xugu") {
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const source = await api.getObjectSource(options.connectionId, options.database, options.schema || options.database, options.routineName, "PROCEDURE");
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return xuguRoutineMetadataFromDefinition(source.source).parameters;
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}
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const sql = routineParametersQuery(options);
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if (!sql) return [];
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const result = await api.executeQuery(options.connectionId, options.database, sql, options.schema, undefined, {
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maxRows: 200,
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pageSize: 200,
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});
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return routineParametersFromResult(result, options.databaseType);
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}
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export function supportsRoutineParameterMetadata(databaseType?: DatabaseType): boolean {
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return (
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databaseType === "postgres" ||
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databaseType === "mysql" ||
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databaseType === "doris" ||
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databaseType === "starrocks" ||
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databaseType === "sqlserver" ||
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databaseType === "oracle" ||
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databaseType === "dameng" ||
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databaseType === "oceanbase-oracle" ||
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databaseType === "databend" ||
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databaseType === "xugu"
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);
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}
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export function routineParametersQuery(options: Pick<LoadRoutineParametersOptions, "database" | "databaseType" | "schema" | "routineName">): string | null {
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if (!supportsRoutineParameterMetadata(options.databaseType)) return null;
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const effectiveSchema = options.schema || (options.databaseType === "postgres" ? "public" : "") || (options.databaseType === "mysql" || options.databaseType === "doris" || options.databaseType === "starrocks" ? options.database : "");
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const schema = quoteSqlLiteral(effectiveSchema);
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const name = quoteSqlLiteral(options.routineName);
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if (options.databaseType === "postgres") {
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return `
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SELECT
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NULLIF(arg.name, '') AS name,
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arg.data_type,
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CASE arg.mode
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WHEN 'i' THEN 'IN'
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WHEN 'o' THEN 'OUT'
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WHEN 'b' THEN 'INOUT'
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WHEN 'v' THEN 'IN'
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WHEN 't' THEN 'OUT'
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ELSE 'IN'
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END AS mode,
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arg.ordinal,
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CASE
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WHEN COALESCE(arg.mode, 'i') IN ('i', 'b', 'v') AND p.pronargdefaults > 0 AND arg.input_ordinal > p.pronargs - p.pronargdefaults THEN TRUE
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ELSE FALSE
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END AS has_default
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FROM pg_proc p
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JOIN pg_namespace n ON n.oid = p.pronamespace
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CROSS JOIN LATERAL (
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SELECT
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gs.ordinal AS ordinal,
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p.proargnames[gs.ordinal] AS name,
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CASE
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WHEN p.proallargtypes IS NULL THEN p.proargtypes[gs.ordinal - 1]
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ELSE p.proallargtypes[gs.ordinal]
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END::regtype::text AS data_type,
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COALESCE(p.proargmodes[gs.ordinal], 'i') AS mode,
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COUNT(*) FILTER (WHERE COALESCE(p.proargmodes[gs.ordinal], 'i') IN ('i', 'b', 'v')) OVER (ORDER BY gs.ordinal) AS input_ordinal
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FROM generate_series(1, COALESCE(array_length(p.proallargtypes, 1), p.pronargs)) AS gs(ordinal)
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) arg
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WHERE p.prokind = 'p'
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AND n.nspname = ${schema}
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AND p.proname = ${name}
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ORDER BY arg.ordinal;`.trim();
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}
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if (options.databaseType === "mysql" || options.databaseType === "doris" || options.databaseType === "starrocks") {
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return `
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SELECT
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PARAMETER_NAME AS name,
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DTD_IDENTIFIER AS data_type,
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COALESCE(PARAMETER_MODE, 'IN') AS mode,
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ORDINAL_POSITION AS ordinal,
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FALSE AS has_default
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FROM information_schema.PARAMETERS
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WHERE SPECIFIC_SCHEMA = ${schema}
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AND SPECIFIC_NAME = ${name}
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AND ORDINAL_POSITION > 0
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ORDER BY ORDINAL_POSITION;`.trim();
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}
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if (options.databaseType === "databend") {
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return `
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SELECT arguments
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FROM system.procedures
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WHERE name = ${name}
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ORDER BY procedure_id
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LIMIT 1;`.trim();
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}
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if (options.databaseType === "sqlserver") {
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return `
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SELECT
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p.name AS name,
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t.name AS data_type,
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CASE WHEN p.is_output = 1 THEN 'OUT' ELSE 'IN' END AS mode,
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p.parameter_id AS ordinal,
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p.has_default_value AS has_default,
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p.max_length AS max_length,
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p.precision AS precision,
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p.scale AS scale,
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SCHEMA_NAME(t.schema_id) AS type_schema,
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t.is_user_defined AS is_user_defined
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FROM sys.parameters p
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JOIN sys.objects o ON o.object_id = p.object_id
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JOIN sys.schemas s ON s.schema_id = o.schema_id
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JOIN sys.types t ON t.user_type_id = p.user_type_id
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WHERE o.type IN ('P', 'PC')
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AND s.name = ${schema}
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AND o.name = ${name}
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ORDER BY p.parameter_id;`.trim();
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}
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if (options.databaseType === "oracle" || options.databaseType === "dameng" || options.databaseType === "oceanbase-oracle") {
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return `
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SELECT
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ARGUMENT_NAME AS "name",
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DATA_TYPE AS "data_type",
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IN_OUT AS "mode",
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POSITION AS "ordinal",
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DEFAULTED AS "has_default"
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FROM ALL_ARGUMENTS
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WHERE OWNER = UPPER(${schema})
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AND OBJECT_NAME = UPPER(${name})
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AND POSITION > 0
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ORDER BY SEQUENCE;`.trim();
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}
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return null;
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}
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export interface XuguRoutineMetadata {
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kind?: "PROCEDURE" | "FUNCTION";
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parameters: RoutineParameter[];
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returnType?: string;
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}
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interface XuguRoutineToken {
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kind: "word" | "quoted-identifier" | "string" | "symbol";
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text: string;
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start: number;
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end: number;
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}
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/**
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* XuguDB does not expose ALL_ARGUMENTS on every supported server version.
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* Its DBeaver extension therefore parses ALL_PROCEDURES.DEFINE as well. Keep
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* this parser deliberately limited to the declaration header: the PL/SQL body
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* is never interpreted and malformed definitions fail closed with no metadata.
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*/
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export function xuguRoutineMetadataFromDefinition(definition: string): XuguRoutineMetadata {
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const tokens = tokenizeXuguRoutineDefinition(definition);
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if (!tokens) return { parameters: [] };
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const kindIndex = tokens.findIndex((token) => isWord(token, "PROCEDURE") || isWord(token, "FUNCTION"));
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if (kindIndex < 0) return { parameters: [] };
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const kind = tokens[kindIndex].text.toUpperCase() as "PROCEDURE" | "FUNCTION";
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const nameEndIndex = xuguRoutineNameEndIndex(tokens, kindIndex + 1);
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if (nameEndIndex < 0) return { kind, parameters: [] };
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let headerIndex = nameEndIndex;
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let parameterCloseIndex = -1;
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let parameters: RoutineParameter[] = [];
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if (tokens[headerIndex]?.text === "(") {
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parameterCloseIndex = matchingTokenParenIndex(tokens, headerIndex);
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if (parameterCloseIndex < 0) return { kind, parameters: [] };
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parameters = parseXuguRoutineParameters(definition, tokens, headerIndex + 1, parameterCloseIndex);
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headerIndex = parameterCloseIndex + 1;
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}
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const returnType = kind === "FUNCTION" ? xuguFunctionReturnType(definition, tokens, headerIndex) : undefined;
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return { kind, parameters, returnType };
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}
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function tokenizeXuguRoutineDefinition(definition: string): XuguRoutineToken[] | null {
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const tokens: XuguRoutineToken[] = [];
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let index = 0;
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while (index < definition.length) {
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const char = definition[index];
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if (/\s/.test(char)) {
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index += 1;
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continue;
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}
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if (char === "-" && definition[index + 1] === "-") {
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index += 2;
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while (index < definition.length && definition[index] !== "\n" && definition[index] !== "\r") index += 1;
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continue;
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}
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if (char === "/" && definition[index + 1] === "*") {
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const close = definition.indexOf("*/", index + 2);
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if (close < 0) return null;
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index = close + 2;
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continue;
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}
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if (char === "'" || char === '"') {
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const start = index;
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const quote = char;
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let closed = false;
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index += 1;
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while (index < definition.length) {
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if (definition[index] !== quote) {
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index += 1;
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continue;
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}
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if (definition[index + 1] === quote) {
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index += 2;
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continue;
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}
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index += 1;
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closed = true;
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break;
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}
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if (!closed) return null;
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tokens.push({ kind: quote === "'" ? "string" : "quoted-identifier", text: definition.slice(start, index), start, end: index });
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continue;
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}
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if (/[A-Za-z_#$]/.test(char)) {
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const start = index;
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index += 1;
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while (index < definition.length && /[A-Za-z0-9_#$%]/.test(definition[index])) index += 1;
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tokens.push({ kind: "word", text: definition.slice(start, index), start, end: index });
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continue;
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}
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const start = index;
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if (char === ":" && definition[index + 1] === "=") index += 2;
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else index += 1;
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tokens.push({ kind: "symbol", text: definition.slice(start, index), start, end: index });
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}
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return tokens;
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}
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function xuguRoutineNameEndIndex(tokens: XuguRoutineToken[], startIndex: number): number {
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const first = tokens[startIndex];
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if (!isIdentifierToken(first)) return -1;
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let index = startIndex + 1;
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while (tokens[index]?.text === "." && isIdentifierToken(tokens[index + 1])) index += 2;
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return index;
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}
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function isIdentifierToken(token?: XuguRoutineToken): boolean {
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return token?.kind === "word" || token?.kind === "quoted-identifier";
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}
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function isWord(token: XuguRoutineToken | undefined, word: string): boolean {
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return token?.kind === "word" && token.text.toUpperCase() === word;
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}
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function matchingTokenParenIndex(tokens: XuguRoutineToken[], openIndex: number): number {
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let depth = 0;
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for (let index = openIndex; index < tokens.length; index += 1) {
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if (tokens[index].text === "(") depth += 1;
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if (tokens[index].text === ")") {
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depth -= 1;
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if (depth === 0) return index;
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}
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}
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return -1;
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}
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function parseXuguRoutineParameters(definition: string, tokens: XuguRoutineToken[], startIndex: number, endIndex: number): RoutineParameter[] {
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const ranges: Array<[number, number]> = [];
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let depth = 0;
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let rangeStart = startIndex;
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for (let index = startIndex; index < endIndex; index += 1) {
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if (tokens[index].text === "(") depth += 1;
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if (tokens[index].text === ")") depth = Math.max(0, depth - 1);
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if (tokens[index].text === "," && depth === 0) {
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ranges.push([rangeStart, index]);
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rangeStart = index + 1;
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}
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}
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ranges.push([rangeStart, endIndex]);
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return ranges.flatMap(([start, end], ordinalIndex) => {
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const parameter = parseXuguRoutineParameter(definition, tokens, start, end, ordinalIndex + 1);
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return parameter ? [parameter] : [];
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});
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}
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function parseXuguRoutineParameter(definition: string, tokens: XuguRoutineToken[], startIndex: number, endIndex: number, ordinal: number): RoutineParameter | null {
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if (startIndex >= endIndex || !isIdentifierToken(tokens[startIndex])) return null;
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const name = unquoteXuguIdentifier(tokens[startIndex].text);
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let typeStartIndex = startIndex + 1;
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let mode: RoutineParameterMode = "IN";
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if (isWord(tokens[typeStartIndex], "INOUT")) {
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mode = "INOUT";
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typeStartIndex += 1;
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} else if (isWord(tokens[typeStartIndex], "IN")) {
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if (isWord(tokens[typeStartIndex + 1], "OUT")) {
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mode = "INOUT";
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typeStartIndex += 2;
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} else {
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mode = "IN";
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typeStartIndex += 1;
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}
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} else if (isWord(tokens[typeStartIndex], "OUT")) {
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mode = "OUT";
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typeStartIndex += 1;
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}
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let depth = 0;
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let defaultIndex = -1;
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for (let index = typeStartIndex; index < endIndex; index += 1) {
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if (tokens[index].text === "(") depth += 1;
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if (tokens[index].text === ")") depth = Math.max(0, depth - 1);
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if (depth === 0 && (isWord(tokens[index], "DEFAULT") || tokens[index].text === ":=" || tokens[index].text === "=")) {
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defaultIndex = index;
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break;
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}
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}
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const typeEndIndex = defaultIndex >= 0 ? defaultIndex : endIndex;
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if (typeStartIndex >= typeEndIndex) return null;
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const dataType = xuguTokenRangeText(definition, tokens, typeStartIndex, typeEndIndex).replace(/\s+/g, " ");
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if (!dataType) return null;
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const defaultValue = defaultIndex >= 0 ? xuguTokenRangeText(definition, tokens, defaultIndex + 1, endIndex) : undefined;
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if (defaultIndex >= 0 && !defaultValue) return null;
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return {
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name,
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dataType,
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mode,
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ordinal,
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hasDefault: defaultIndex >= 0,
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defaultValue,
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};
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}
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function xuguFunctionReturnType(definition: string, tokens: XuguRoutineToken[], startIndex: number): string | undefined {
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let returnIndex = -1;
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for (let index = startIndex; index < tokens.length; index += 1) {
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if (isWord(tokens[index], "AS") || isWord(tokens[index], "IS")) break;
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if (isWord(tokens[index], "RETURN")) {
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returnIndex = index;
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break;
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}
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}
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if (returnIndex < 0) return undefined;
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let endIndex = returnIndex + 1;
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let depth = 0;
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while (endIndex < tokens.length) {
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const token = tokens[endIndex];
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if (token.text === "(") depth += 1;
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if (token.text === ")") depth = Math.max(0, depth - 1);
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if (depth === 0 && (isWord(token, "AS") || isWord(token, "IS") || isWord(token, "AUTHID") || isWord(token, "PIPELINED") || isWord(token, "DETERMINISTIC"))) break;
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endIndex += 1;
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}
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if (returnIndex + 1 >= endIndex) return undefined;
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return xuguTokenRangeText(definition, tokens, returnIndex + 1, endIndex).replace(/\s+/g, " ") || undefined;
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}
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function xuguTokenRangeText(definition: string, tokens: XuguRoutineToken[], startIndex: number, endIndex: number): string {
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if (startIndex >= endIndex) return "";
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return stripXuguSqlComments(definition.slice(tokens[startIndex].start, tokens[endIndex - 1].end)).trim();
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}
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function stripXuguSqlComments(value: string): string {
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let result = "";
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let index = 0;
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let quote = "";
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while (index < value.length) {
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const char = value[index];
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if (quote) {
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result += char;
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if (char === quote) {
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if (value[index + 1] === quote) {
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result += value[index + 1];
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index += 2;
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continue;
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}
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quote = "";
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}
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index += 1;
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continue;
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}
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if (char === "'" || char === '"') {
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quote = char;
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result += char;
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index += 1;
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continue;
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}
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if (char === "-" && value[index + 1] === "-") {
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result += " ";
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index += 2;
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while (index < value.length && value[index] !== "\n" && value[index] !== "\r") index += 1;
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continue;
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}
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if (char === "/" && value[index + 1] === "*") {
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result += " ";
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const close = value.indexOf("*/", index + 2);
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if (close < 0) break;
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index = close + 2;
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continue;
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}
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result += char;
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index += 1;
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}
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return result;
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}
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function unquoteXuguIdentifier(value: string): string {
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if (!value.startsWith('"') || !value.endsWith('"')) return value;
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return value.slice(1, -1).replace(/""/g, '"');
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}
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export function routineParametersFromResult(result: QueryResult, databaseType?: DatabaseType): RoutineParameter[] {
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if (databaseType === "databend") return databendRoutineParametersFromResult(result);
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const sqlServerMetadata =
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databaseType === "sqlserver"
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? {
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maxLength: result.columns.findIndex((column) => column.toLowerCase() === "max_length"),
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precision: result.columns.findIndex((column) => column.toLowerCase() === "precision"),
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scale: result.columns.findIndex((column) => column.toLowerCase() === "scale"),
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typeSchema: result.columns.findIndex((column) => column.toLowerCase() === "type_schema"),
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isUserDefined: result.columns.findIndex((column) => column.toLowerCase() === "is_user_defined"),
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}
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: null;
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return result.rows
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.map((row, index) => {
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const dataType = String(row[1] || "");
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return {
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name: String(row[0] || `arg${index + 1}`),
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dataType: sqlServerMetadata ? sqlServerParameterDeclarationType(dataType, row, sqlServerMetadata) : dataType,
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mode: normalizeParameterMode(row[2]),
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ordinal: Number(row[3] || index + 1),
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hasDefault: normalizeBoolean(row[4]),
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};
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})
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.filter((parameter) => parameter.mode !== "RETURN");
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}
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interface SqlServerParameterMetadataIndexes {
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maxLength: number;
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precision: number;
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scale: number;
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typeSchema: number;
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isUserDefined: number;
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}
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function sqlServerParameterDeclarationType(baseType: string, row: unknown[], indexes: SqlServerParameterMetadataIndexes): string {
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const typeName = baseType.trim();
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if (!typeName) return "";
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if (normalizeBoolean(valueAt(row, indexes.isUserDefined))) {
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const schema = String(valueAt(row, indexes.typeSchema) || "").trim();
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const qualifiedType = quoteSqlServerIdentifier(typeName);
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return schema ? `${quoteSqlServerIdentifier(schema)}.${qualifiedType}` : qualifiedType;
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}
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const normalizedType = typeName.toLowerCase();
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const maxLength = Number(valueAt(row, indexes.maxLength));
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if (["varchar", "char", "varbinary", "binary"].includes(normalizedType) && Number.isFinite(maxLength)) {
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return `${typeName}(${maxLength === -1 ? "max" : Math.max(1, maxLength)})`;
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}
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if (["nvarchar", "nchar"].includes(normalizedType) && Number.isFinite(maxLength)) {
|
|
return `${typeName}(${maxLength === -1 ? "max" : Math.max(1, Math.floor(maxLength / 2))})`;
|
|
}
|
|
|
|
const precision = Number(valueAt(row, indexes.precision));
|
|
const scale = Number(valueAt(row, indexes.scale));
|
|
if (["decimal", "numeric"].includes(normalizedType) && Number.isFinite(precision) && Number.isFinite(scale)) {
|
|
return `${typeName}(${precision},${scale})`;
|
|
}
|
|
if (["datetime2", "datetimeoffset", "time"].includes(normalizedType) && Number.isFinite(scale)) {
|
|
return `${typeName}(${scale})`;
|
|
}
|
|
if (normalizedType === "float" && Number.isFinite(precision)) {
|
|
return `${typeName}(${precision})`;
|
|
}
|
|
return typeName;
|
|
}
|
|
|
|
function valueAt(row: unknown[], index: number): unknown {
|
|
return index >= 0 ? row[index] : undefined;
|
|
}
|
|
|
|
function quoteSqlServerIdentifier(value: string): string {
|
|
return `[${value.replace(/]/g, "]]")}]`;
|
|
}
|
|
|
|
function databendRoutineParametersFromResult(result: QueryResult): RoutineParameter[] {
|
|
const argumentsIndex = result.columns.findIndex((column) => column.toLowerCase() === "arguments");
|
|
const signature = String(result.rows[0]?.[argumentsIndex >= 0 ? argumentsIndex : 0] || "");
|
|
const inputTypes = databendInputTypesFromArguments(signature);
|
|
return inputTypes.map((dataType, index) => ({
|
|
name: `arg${index + 1}`,
|
|
dataType,
|
|
mode: "IN",
|
|
ordinal: index + 1,
|
|
hasDefault: false,
|
|
}));
|
|
}
|
|
|
|
function databendInputTypesFromArguments(signature: string): string[] {
|
|
const openIndex = signature.indexOf("(");
|
|
if (openIndex < 0) return [];
|
|
let depth = 0;
|
|
for (let index = openIndex; index < signature.length; index += 1) {
|
|
const char = signature[index];
|
|
if (char === "(") depth += 1;
|
|
if (char === ")") {
|
|
depth -= 1;
|
|
if (depth === 0) {
|
|
return splitTopLevelComma(signature.slice(openIndex + 1, index)).filter(Boolean);
|
|
}
|
|
}
|
|
}
|
|
return [];
|
|
}
|
|
|
|
function splitTopLevelComma(value: string): string[] {
|
|
const parts: string[] = [];
|
|
let current = "";
|
|
let depth = 0;
|
|
for (const char of value) {
|
|
if (char === "(") depth += 1;
|
|
if (char === ")") depth = Math.max(0, depth - 1);
|
|
if (char === "," && depth === 0) {
|
|
parts.push(current.trim());
|
|
current = "";
|
|
continue;
|
|
}
|
|
current += char;
|
|
}
|
|
if (current.trim()) parts.push(current.trim());
|
|
return parts;
|
|
}
|
|
|
|
function normalizeParameterMode(value: unknown): RoutineParameterMode {
|
|
const mode = String(value || "IN")
|
|
.toUpperCase()
|
|
.replace(/\s+/g, "");
|
|
if (mode === "IN") return "IN";
|
|
if (mode === "OUT") return "OUT";
|
|
if (mode === "INOUT" || mode === "IN/OUT") return "INOUT";
|
|
if (mode === "RETURN") return "RETURN";
|
|
return "UNKNOWN";
|
|
}
|
|
|
|
function normalizeBoolean(value: unknown): boolean {
|
|
if (typeof value === "boolean") return value;
|
|
if (typeof value === "number") return value !== 0;
|
|
const text = String(value || "").toLowerCase();
|
|
return text === "true" || text === "yes" || text === "y" || text === "1";
|
|
}
|
|
|
|
function quoteSqlLiteral(value: string): string {
|
|
return `'${value.replace(/'/g, "''")}'`;
|
|
}
|