#1967 - Refactor internals reverse default columnAliasPrefix to null from "c"

src/main/java/io/ebean/config/dbplatform/DatabasePlatform.java

@@ -146,7 +146,7 @@ public class DatabasePlatform {
 
   protected String truncateTable = "truncate table %s";
 
-  protected String columnAliasPrefix = "c";
+  protected String columnAliasPrefix;
 
   /**
    * Use a BackTick ` at the beginning and end of table or column names that you

src/main/java/io/ebean/config/dbplatform/clickhouse/ClickHousePlatform.java

@@ -16,10 +16,8 @@ public class ClickHousePlatform extends DatabasePlatform {
     //this.dbEncrypt =
     //this.historySupport =
     //this.exceptionTranslator =
-
     this.nativeUuidType = true;
     this.dbDefaultValue.setNow("now()");
-    this.columnAliasPrefix = null;
 
     this.dbIdentity.setIdType(IdType.IDENTITY);
     this.dbIdentity.setSupportsGetGeneratedKeys(false);

src/main/java/io/ebean/config/dbplatform/h2/H2Platform.java

@@ -26,7 +26,6 @@ public class H2Platform extends DatabasePlatform {
     this.supportsDeleteTableAlias = true;
     this.inlineSqlUpdateLimit = true;
     this.dbDefaultValue.setNow("now()");
-    this.columnAliasPrefix = null;
     this.exceptionTranslator =
       new SqlErrorCodes()
         .addAcquireLock("50200","HYT00")

src/main/java/io/ebean/config/dbplatform/hana/HanaPlatform.java

@@ -17,7 +17,6 @@ public class HanaPlatform extends DatabasePlatform {
     this.sqlLimiter = new HanaSqlLimiter();
     this.persistBatchOnCascade = PersistBatch.NONE;
     this.supportsResultSetConcurrencyModeUpdatable = false;
-    this.columnAliasPrefix = null;
     this.historySupport = new HanaHistorySupport();
     this.basicSqlLimiter = new HanaBasicSqlLimiter();
 

src/main/java/io/ebean/config/dbplatform/mysql/MySqlPlatform.java

@@ -31,7 +31,6 @@ public class MySqlPlatform extends DatabasePlatform {
     this.inlineSqlUpdateLimit = true;
     this.dbEncrypt = new MySqlDbEncrypt();
     this.historySupport = new MySqlHistorySupport();
-    this.columnAliasPrefix = null;
     this.dbIdentity.setIdType(IdType.IDENTITY);
     this.dbIdentity.setSupportsGetGeneratedKeys(true);
     this.dbIdentity.setSupportsIdentity(true);

src/main/java/io/ebean/config/dbplatform/nuodb/NuoDbPlatform.java

@@ -23,7 +23,6 @@ public class NuoDbPlatform extends DatabasePlatform {
     this.idInExpandedForm = true;
     this.supportsResultSetConcurrencyModeUpdatable = false;
     this.supportsDeleteTableAlias = true;
-    this.columnAliasPrefix = null;
     this.likeClauseRaw = "like ?";
     this.historySupport = new NuoDbHistorySupport();
     //this.dbEncrypt = ...

src/main/java/io/ebean/config/dbplatform/oracle/OraclePlatform.java

@@ -22,7 +22,6 @@ public class OraclePlatform extends DatabasePlatform {
   public OraclePlatform() {
     super();
     this.platform = Platform.ORACLE;
-    this.columnAliasPrefix = null;
     this.supportsDeleteTableAlias = true;
     this.maxTableNameLength = 30;
     this.maxConstraintNameLength = 30;

src/main/java/io/ebean/config/dbplatform/postgres/PostgresPlatform.java

@@ -34,7 +34,6 @@ public class PostgresPlatform extends DatabasePlatform {
     this.blobDbType = Types.LONGVARBINARY;
     this.clobDbType = Types.VARCHAR;
     this.nativeUuidType = true;
-    this.columnAliasPrefix = null;
     this.truncateTable = "truncate table %s cascade";
     this.dbEncrypt = new PostgresDbEncrypt();
     this.historySupport = new PostgresHistorySupport();

src/main/java/io/ebean/config/dbplatform/sqlserver/SqlServer17Platform.java

@@ -12,7 +12,6 @@ public class SqlServer17Platform extends SqlServerBasePlatform {
   public SqlServer17Platform() {
     super();
     this.platform = Platform.SQLSERVER17;
-    this.columnAliasPrefix = null;
     this.nativeUuidType = true;
     this.dbTypeMap.put(DbType.UUID, new DbPlatformType("uniqueidentifier", false));
   }

src/main/java/io/ebean/config/dbplatform/sqlserver/SqlServerBasePlatform.java

@@ -64,7 +64,6 @@ abstract class SqlServerBasePlatform extends DatabasePlatform {
     dbTypeMap.put(DbType.TINYINT, new DbPlatformType("smallint"));
     dbTypeMap.put(DbType.DECIMAL, new DbPlatformType("numeric", 28));
 
-
     dbTypeMap.put(DbType.DATE, new DbPlatformType("date"));
     dbTypeMap.put(DbType.TIME, new DbPlatformType("time"));
     dbTypeMap.put(DbType.TIMESTAMP, new DbPlatformType("datetime2"));