fix(gbase): support 8a and 8s profiles

crates/dbx-core/src/sql_dialect/table_select.rs

@@ -68,6 +68,11 @@ pub fn build_table_data_select_sql(options: TableDataSelectSqlOptions) -> String
         return format!("SELECT TOP {limit} {select_columns} FROM {table_alias}{where_clause}{order}");
     }
 
+    if database_type == Some(DatabaseType::Informix) {
+        let row_limit = informix_row_limit_clause(limit, options.offset.unwrap_or(0));
+        return format!("SELECT {row_limit} {select_columns} FROM {table_alias}{where_clause}{order}");
+    }
+
     if database_type == Some(DatabaseType::Db2) && options.offset.is_some_and(|offset| offset > 0) {
         return build_db2_table_select_page_sql(
             &table_alias,
@@ -142,6 +147,10 @@ pub fn build_table_select_sql(options: TableSelectSqlOptions<'_>) -> String {
         return format!("SELECT TOP {limit} {select_columns} FROM {table}{order_by}");
     }
 
+    if database_type == Some(DatabaseType::Informix) {
+        return format!("SELECT FIRST {limit} {select_columns} FROM {table}{order_by}");
+    }
+
     if database_type.is_some_and(uses_fetch_first) {
         return format!("SELECT {select_columns} FROM {table}{order_by} FETCH FIRST {limit} ROWS ONLY");
     }
@@ -153,6 +162,14 @@ pub fn build_table_select_sql(options: TableSelectSqlOptions<'_>) -> String {
     format!("SELECT {select_columns} FROM {table}{order_by} LIMIT {limit};")
 }
 
+fn informix_row_limit_clause(limit: usize, offset: usize) -> String {
+    if offset > 0 {
+        format!("SKIP {offset} FIRST {limit}")
+    } else {
+        format!("FIRST {limit}")
+    }
+}
+
 pub(super) fn is_oracle_row_id(database_type: Option<DatabaseType>, name: &str) -> bool {
     database_type == Some(DatabaseType::Oracle) && name.eq_ignore_ascii_case(DBX_ROWID_COLUMN)
 }

crates/dbx-core/src/sql_dialect/tests.rs

@@ -278,6 +278,38 @@ fn builds_table_data_where_and_schema_queries() {
     );
 }
 
+#[test]
+fn builds_informix_table_data_with_skip_first_pagination() {
+    assert_eq!(
+        build_table_data_select_sql(TableDataSelectSqlOptions {
+            database_type: Some(DatabaseType::Informix),
+            schema: Some("ignored".to_string()),
+            table_name: "users".to_string(),
+            primary_keys: vec!["id".to_string()],
+            columns: vec!["id".to_string(), "name".to_string()],
+            fallback_order_columns: Vec::new(),
+            order_by: None,
+            limit: Some(50),
+            offset: Some(100),
+            where_input: Some("WHERE active = 1".to_string()),
+            include_row_id: false,
+        }),
+        "SELECT SKIP 100 FIRST 50 * FROM users WHERE (active = 1) ORDER BY id ASC"
+    );
+
+    assert_eq!(
+        build_table_select_sql(TableSelectSqlOptions {
+            database_type: Some(DatabaseType::Informix),
+            schema: None,
+            table_name: "systables",
+            columns: &["tabname".to_string()],
+            order_columns: &[],
+            limit: 1,
+        }),
+        "SELECT FIRST 1 tabname FROM systables"
+    );
+}
+
 #[test]
 fn explicit_table_data_order_overrides_default_key_order() {
     assert_eq!(