Package org.eclipse.persistence.platform.database

Class MySQLPlatform

  • All Implemented Interfaces:
    Serializable, Cloneable, org.eclipse.persistence.internal.core.databaseaccess.CorePlatform<org.eclipse.persistence.internal.helper.ConversionManager>, org.eclipse.persistence.internal.databaseaccess.Platform
    public class MySQLPlatform
extends DatabasePlatform

    Purpose: Provides MySQL specific behavior.

    Responsibilities:

    • Native SQL for Date, Time, & Timestamp.
    • Native sequencing.
    • Mapping of class types to database types for the schema framework.
    • Pessimistic locking.
    • Platform specific operators.
    Since:
    OracleAS TopLink 10g (10.1.3)
    See Also:
    Serialized Form

    • Field Summary

      • Fields inherited from class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

        DEFAULT_MAX_BATCH_WRITING_SIZE, DEFAULT_PARAMETERIZED_MAX_BATCH_WRITING_SIZE, IS_VALID_TIMEOUT, shouldIgnoreCaseOnFieldComparisons, Types_NCLOB, Types_SQLXML

    • Constructor Summary

      Constructors 
      Constructor Description
      MySQLPlatform()  

    • Method Summary

      All Methods Instance Methods Concrete Methods Deprecated Methods 
      Modifier and Type Method Description
      String buildProcedureCallString​(StoredProcedureCall call, org.eclipse.persistence.internal.sessions.AbstractSession session, org.eclipse.persistence.internal.sessions.AbstractRecord row)
      Return the stored procedure syntax for this platform.
      ValueReadQuery buildSelectQueryForIdentity()
      INTERNAL: Build the identity query for native sequencing.
      boolean canBatchWriteWithOptimisticLocking​(org.eclipse.persistence.internal.databaseaccess.DatabaseCall call)
      INTERNAL: Supports Batch Writing with Optimistic Locking.
      int computeMaxRowsForSQL​(int firstResultIndex, int maxResults)
      INTERNAL: Use the JDBC maxResults and firstResultIndex setting to compute a value to use when limiting the results of a query in SQL.
      String getConstraintDeletionString()
      INTERNAL: Used for constraint deletion.
      String getDropDatabaseSchemaString​(String schema)
      Return the drop schema definition.
      String getFunctionCallHeader()
      Used for stored function calls.
      String getIdentifierQuoteCharacter()
      Deprecated. 
      String getInOutputProcedureToken()
      INTERNAL: MySQL uses the INOUT keyword for this.
      String getProcedureAsString()
      MySQL does not use the AS token.
      String getProcedureBeginString()
      INTERNAL: MySQL requires BEGIN.
      String getProcedureCallHeader()
      INTERNAL: Used for stored procedure calls.
      String getProcedureCallTail()
      Used for sp calls.
      String getProcedureEndString()
      INTERNAL: MySQL requires END.
      String getSelectForUpdateString()
      INTERNAL: Used for pessimistic locking.
      ValueReadQuery getTimestampQuery()
      INTERNAL: This method returns the query to select the timestamp from the server for MySQL.
      String getUniqueConstraintDeletionString()
      INTERNAL: Used for unique constraint deletion.
      void initializeConnectionData​(Connection connection)
      INTERNAL: Allow initialization from the connection.
      boolean isForUpdateCompatibleWithDistinct()
      INTERNAL: Indicates whether SELECT DISTINCT ...
      boolean isFractionalTimeSupported()  
      boolean isMySQL()
      Answers whether platform is MySQL.
      void printFieldIdentityClause​(Writer writer)
      INTERNAL: Append the receiver's field 'identity' constraint clause to a writer.
      void printSQLSelectStatement​(org.eclipse.persistence.internal.databaseaccess.DatabaseCall call, org.eclipse.persistence.internal.expressions.ExpressionSQLPrinter printer, org.eclipse.persistence.internal.expressions.SQLSelectStatement statement)
      INTERNAL: Print the SQL representation of the statement on a stream, storing the fields in the DatabaseCall.
      void printStoredFunctionReturnKeyWord​(Writer writer)
      INTERNAL: Prints return keyword for StoredFunctionDefinition: CREATE FUNCTION StoredFunction_In (P_IN BIGINT) RETURN BIGINT The method was introduced because MySQL requires "RETURNS" instead: CREATE FUNCTION StoredFunction_In (P_IN BIGINT) RETURNS BIGINT
      boolean requiresProcedureBrackets()
      Used for stored procedure creation: MySQL platforms need brackets around arguments declaration even if no arguments exist.
      boolean requiresTableInIndexDropDDL()
      INTERNAL: Return if this database requires the table name when dropping an index.
      boolean shouldAlwaysUseTempStorageForModifyAll()
      INTERNAL: MySQL supports temp tables for update-all, delete-all queries.
      boolean shouldPrintForUpdateClause()
      INTERNAL: MySQL FOR UPDATE clause has to be the last
      boolean shouldPrintOutputTokenAtStart()
      INTERNAL: MySQL requires the direction at the start of the argument.
      boolean shouldPrintStoredProcedureArgumentNameInCall()
      INTERNAL: MySQL stored procedure calls do not require the argument name be printed in the call string e.g.
      boolean shouldUseJDBCOuterJoinSyntax()
      INTERNAL: JDBC defines an outer join syntax which many drivers do not support.
      boolean supportsAutoConversionToNumericForArithmeticOperations()
      Some db allow VARCHAR db field to be used in arithmetic operations automatically converting them to numeric: UPDATE OL_PHONE SET PHONE_ORDER_VARCHAR = (PHONE_ORDER_VARCHAR + 1) WHERE ...
      boolean supportsCountDistinctWithMultipleFields()
      INTERNAL: Indicates whether the platform supports the count distinct function with multiple fields.
      boolean supportsGlobalTempTables()
      INTERNAL: MySQL supports temp tables for update-all, delete-all queries.
      boolean supportsIdentity()
      INTERNAL: Indicates whether the platform supports identity.
      boolean supportsIndividualTableLocking()
      INTERNAL: Indicates whether locking clause could be selectively applied only to some tables in a ReadQuery.
      boolean supportsStoredFunctions()  
      void writeDeleteFromTargetTableUsingTempTableSql​(Writer writer, org.eclipse.persistence.internal.helper.DatabaseTable table, org.eclipse.persistence.internal.helper.DatabaseTable targetTable, Collection pkFields, Collection targetPkFields, org.eclipse.persistence.internal.databaseaccess.DatasourcePlatform platform)
      INTERNAL: Writes MySQL specific SQL for accessing temp tables for delete-all queries.
      void writeUpdateOriginalFromTempTableSql​(Writer writer, org.eclipse.persistence.internal.helper.DatabaseTable table, Collection pkFields, Collection assignedFields)
      INTERNAL: Writes MySQL specific SQL for accessing temp tables for update-all queries.

      • Methods inherited from class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

        addBatch, addStructConverter, allowsSizeInProcedureArguments, appendLiteralToCall, appendParameter, appendParameterInternal, autoCommit, beginTransaction, buildBatchCriteria, buildBatchCriteriaForComplexId, buildCallWithReturning, buildCreateIndex, buildCreateIndex, buildDropIndex, buildDropIndex, buildSequenceObjectAlterIncrementWriter, buildSequenceObjectCreationWriter, buildSequenceObjectDeletionWriter, canBuildCallWithReturning, commitTransaction, convertToDatabaseType, copyInto, createArray, createArray, createStruct, createStruct, dontBindUpdateAllQueryUsingTempTables, executeBatch, executeStoredProcedure, freeTemporaryObject, getAssignmentString, getBatchBeginString, getBatchDelimiterString, getBatchEndString, getBatchRowCountAssignString, getBatchRowCountDeclareString, getBatchRowCountReturnString, getBatchWritingMechanism, getCastSizeForVarcharParameter, getClassTypes, getConnection, getConnectionUserName, getCreateDatabaseSchemaString, getCreateViewString, getCreationInOutputProcedureToken, getCreationOutputProcedureToken, getCursorCode, getCustomModifyValueForCall, getDefaultSequenceTableName, getDriverSupportsNVarChar, getDropCascadeString, getFieldTypeDefinition, getFieldTypes, getIndexNamePrefix, getInputProcedureToken, getJDBCOuterJoinString, getJDBCType, getJDBCType, getJDBCTypeForSetNull, getJdbcTypeName, getMaxBatchWritingSize, getMaxFieldNameSize, getMaxForeignKeyNameSize, getMaxIndexNameSize, getMaxUniqueKeyNameSize, getNoWaitString, getObjectFromResultSet, getOutputProcedureToken, getPartitioningCallback, getPingSQL, getProcedureArgumentSetter, getProcedureArgumentString, getQualifiedName, getQualifiedSequenceTableName, getRefValue, getRefValue, getSelectForUpdateNoWaitString, getSelectForUpdateOfString, getSelectForUpdateWaitString, getSequenceCounterFieldName, getSequenceNameFieldName, getSequencePreallocationSize, getSequenceTableName, getStatementCacheSize, getStoredProcedureParameterPrefix, getStoredProcedureTerminationToken, getStringBindingSize, getStructConverters, getTableCreationSuffix, getTempTableForTable, getTransactionIsolation, getTypeConverters, getUseNationalCharacterVaryingTypeForString, getVPDClearIdentifierQuery, getVPDCreationFunctionString, getVPDCreationPolicyString, getVPDDeletionString, getVPDSetIdentifierQuery, hasPartitioningCallback, initialize, isAlterSequenceObjectSupported, isCastRequired, isDynamicSQLRequiredForFunctions, isInformixOuterJoin, isJDBCExecuteCompliant, isLobCompatibleWithDistinct, isLockTimeoutException, isNullAllowedInSelectClause, isOutputAllowWithResultSet, isRowCountOutputParameterRequired, isXDBDocument, maximumNumericValues, minimumNumericValues, minimumTimeIncrement, prepareBatchStatement, printFieldNotNullClause, printFieldNullClause, printFieldTypeSize, printFieldUnique, printValuelist, printValuelist, registerOutputParameter, requiresNamedPrimaryKeyConstraints, requiresProcedureCallBrackets, requiresProcedureCallOuputToken, requiresTypeNameToRegisterOutputParameter, requiresUniqueConstraintCreationOnTableCreate, retrieveFirstPrimaryKeyOrOne, rollbackTransaction, setBatchWritingMechanism, setCastSizeForVarcharParameter, setCursorCode, setDriverName, setDriverSupportsNVarChar, setIsCastRequired, setMaxBatchWritingSize, setParameterValueInDatabaseCall, setPartitioningCallback, setPingSQL, setPrintInnerJoinInWhereClause, setPrintOuterJoinInWhereClause, setSequenceCounterFieldName, setSequenceNameFieldName, setSequenceTableName, setShouldBindAllParameters, setShouldBindLiterals, setShouldCacheAllStatements, setShouldCreateIndicesOnForeignKeys, setShouldForceFieldNamesToUpperCase, setShouldIgnoreCaseOnFieldComparisons, setShouldOptimizeDataConversion, setShouldTrimStrings, setShouldUseRownumFiltering, setStatementCacheSize, setStoredProcedureTerminationToken, setStringBindingSize, setSupportsAutoCommit, setTableCreationSuffix, setTransactionIsolation, setUseJDBCStoredProcedureSyntax, setUseNationalCharacterVaryingTypeForString, setUsesBatchWriting, setUsesByteArrayBinding, setUsesJDBCBatchWriting, setUsesNativeBatchWriting, setUsesNativeSQL, setUsesStreamsForBinding, setUsesStringBinding, shouldBindAllParameters, shouldBindLiterals, shouldCacheAllStatements, shouldCreateIndicesForPrimaryKeys, shouldCreateIndicesOnForeignKeys, shouldCreateIndicesOnUniqueKeys, shouldForceFieldNamesToUpperCase, shouldIgnoreCaseOnFieldComparisons, shouldIgnoreException, shouldOptimizeDataConversion, shouldPrintAliasForUpdate, shouldPrintConstraintNameAfter, shouldPrintFieldIdentityClause, shouldPrintInnerJoinInWhereClause, shouldPrintInOutputTokenBeforeType, shouldPrintInputTokenAtStart, shouldPrintLockingClauseAfterWhereClause, shouldPrintOuterJoinInWhereClause, shouldPrintOutputTokenBeforeType, shouldPrintStoredProcedureVariablesAfterBeginString, shouldTrimStrings, shouldUseCustomModifyForCall, shouldUseGetSetNString, shouldUseRownumFiltering, supportsANSIInnerJoinSyntax, supportsAutoCommit, supportsConnectionUserName, supportsDeleteOnCascade, supportsForeignKeyConstraints, supportsIndexes, supportsLocalTempTables, supportsLockingQueriesWithMultipleTables, supportsNestingOuterJoins, supportsOuterJoinsWithBrackets, supportsPrimaryKeyConstraint, supportsTempTables, supportsUniqueColumns, supportsUniqueKeyConstraints, supportsVPD, usesBatchWriting, usesByteArrayBinding, usesJDBCBatchWriting, usesNativeBatchWriting, usesNativeSQL, usesSequenceTable, usesStreamsForBinding, usesStringBinding, wasFailureCommunicationBased, writeAddColumnClause, writeCleanUpTempTableSql, writeCreateTempTableSql, writeInsertIntoTableSql, writeLOB, writeParameterMarker, writeTableCreationSuffix

      • Methods inherited from class org.eclipse.persistence.internal.databaseaccess.DatasourcePlatform

        addSequence, addSequence, buildNativeCall, buildSelectQueryForIdentity, buildSelectQueryForSequenceObject, buildSelectQueryForSequenceObject, clone, convertObject, createConnectionCustomizer, getConversionManager, getDataTypesConvertedFrom, getDataTypesConvertedTo, getDefaultNativeSequenceToTable, getDefaultSequence, getDefaultSequenceToWrite, getEndDelimiter, getOperator, getPlatformOperators, getSelectSequenceQuery, getSequence, getSequences, getSequencesToWrite, getStartDelimiter, getTableQualifier, getTimestampFromServer, getUpdateSequenceQuery, hasDefaultSequence, initializeDefaultQueries, isAccess, isAttunity, isCloudscape, isDB2, isDBase, isDerby, isFirebird, isH2, isHANA, isHSQL, isInformix, isMaxDB, isODBC, isOracle, isOracle9, isPervasive, isPointBase, isPostgreSQL, isSQLAnywhere, isSQLServer, isSybase, isSymfoware, isTimesTen, isTimesTen7, removeAllSequences, removeSequence, setConversionManager, setDefaultNativeSequenceToTable, setDefaultSequence, setEndDelimiter, setSelectSequenceNumberQuery, setSequencePreallocationSize, setSequences, setStartDelimiter, setTableQualifier, setTimestampQuery, setUpdateSequenceQuery, shouldNativeSequenceUseTransaction, shouldPrepare, shouldSelectDistinctIncludeOrderBy, shouldSelectIncludeOrderBy, supportsNativeSequenceNumbers, supportsSequenceObjects, toString, usesPlatformDefaultSequence

    • Constructor Detail

      • MySQLPlatform

        public MySQLPlatform()

    • Method Detail

      • initializeConnectionData

        public void initializeConnectionData​(Connection connection)
                              throws SQLException
        Description copied from class: org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
        INTERNAL: Allow initialization from the connection.
        Overrides:
        initializeConnectionData in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
        Throws:
        SQLException

      • isFractionalTimeSupported

        public boolean isFractionalTimeSupported()

      • buildSelectQueryForIdentity

        public ValueReadQuery buildSelectQueryForIdentity()
        INTERNAL: Build the identity query for native sequencing.
        Overrides:
        buildSelectQueryForIdentity in class org.eclipse.persistence.internal.databaseaccess.DatasourcePlatform

      • buildProcedureCallString

        public String buildProcedureCallString​(StoredProcedureCall call,
                                       org.eclipse.persistence.internal.sessions.AbstractSession session,
                                       org.eclipse.persistence.internal.sessions.AbstractRecord row)
        Return the stored procedure syntax for this platform.
        Overrides:
        buildProcedureCallString in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

      • computeMaxRowsForSQL

        public int computeMaxRowsForSQL​(int firstResultIndex,
                                int maxResults)
        INTERNAL: Use the JDBC maxResults and firstResultIndex setting to compute a value to use when limiting the results of a query in SQL. These limits tend to be used in two ways. 1. MaxRows is the index of the last row to be returned (like JDBC maxResults) 2. MaxRows is the number of rows to be returned MySQL uses case #2 and therefore the maxResults has to be altered based on the firstResultIndex
        Overrides:
        computeMaxRowsForSQL in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
        Parameters:
        firstResultIndex -
        maxResults -
        See Also:
        MySQLPlatform

      • canBatchWriteWithOptimisticLocking

        public boolean canBatchWriteWithOptimisticLocking​(org.eclipse.persistence.internal.databaseaccess.DatabaseCall call)
        INTERNAL: Supports Batch Writing with Optimistic Locking.
        Overrides:
        canBatchWriteWithOptimisticLocking in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

      • getConstraintDeletionString

        public String getConstraintDeletionString()
        INTERNAL: Used for constraint deletion.
        Overrides:
        getConstraintDeletionString in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

      • getUniqueConstraintDeletionString

        public String getUniqueConstraintDeletionString()
        INTERNAL: Used for unique constraint deletion.
        Overrides:
        getUniqueConstraintDeletionString in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

      • getFunctionCallHeader

        public String getFunctionCallHeader()
        Used for stored function calls.
        Overrides:
        getFunctionCallHeader in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

      • getProcedureCallTail

        public String getProcedureCallTail()
        Used for sp calls.
        Overrides:
        getProcedureCallTail in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

      • getSelectForUpdateString

        public String getSelectForUpdateString()
        INTERNAL: Used for pessimistic locking.
        Overrides:
        getSelectForUpdateString in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

      • isForUpdateCompatibleWithDistinct

        public boolean isForUpdateCompatibleWithDistinct()
        Description copied from class: org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
        INTERNAL: Indicates whether SELECT DISTINCT ... FOR UPDATE is allowed by the platform (Oracle doesn't allow this).
        Overrides:
        isForUpdateCompatibleWithDistinct in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

      • getTimestampQuery

        public ValueReadQuery getTimestampQuery()
        INTERNAL: This method returns the query to select the timestamp from the server for MySQL.
        Specified by:
        getTimestampQuery in interface org.eclipse.persistence.internal.databaseaccess.Platform
        Overrides:
        getTimestampQuery in class org.eclipse.persistence.internal.databaseaccess.DatasourcePlatform

      • isMySQL

        public boolean isMySQL()
        Answers whether platform is MySQL.
        Specified by:
        isMySQL in interface org.eclipse.persistence.internal.databaseaccess.Platform
        Overrides:
        isMySQL in class org.eclipse.persistence.internal.databaseaccess.DatasourcePlatform

      • printFieldIdentityClause

        public void printFieldIdentityClause​(Writer writer)
                              throws ValidationException
        INTERNAL: Append the receiver's field 'identity' constraint clause to a writer.
        Overrides:
        printFieldIdentityClause in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
        Throws:
        ValidationException

      • shouldUseJDBCOuterJoinSyntax

        public boolean shouldUseJDBCOuterJoinSyntax()
        INTERNAL: JDBC defines an outer join syntax which many drivers do not support. So we normally avoid it.
        Overrides:
        shouldUseJDBCOuterJoinSyntax in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

      • supportsIdentity

        public boolean supportsIdentity()
        INTERNAL: Indicates whether the platform supports identity. MySQL supports native sequencing through AUTO_INCREMENT field types.
        Overrides:
        supportsIdentity in class org.eclipse.persistence.internal.databaseaccess.DatasourcePlatform

      • supportsCountDistinctWithMultipleFields

        public boolean supportsCountDistinctWithMultipleFields()
        INTERNAL: Indicates whether the platform supports the count distinct function with multiple fields.
        Overrides:
        supportsCountDistinctWithMultipleFields in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

      • requiresTableInIndexDropDDL

        public boolean requiresTableInIndexDropDDL()
        INTERNAL: Return if this database requires the table name when dropping an index.
        Overrides:
        requiresTableInIndexDropDDL in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

      • supportsGlobalTempTables

        public boolean supportsGlobalTempTables()
        INTERNAL: MySQL supports temp tables for update-all, delete-all queries.
        Overrides:
        supportsGlobalTempTables in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

      • supportsIndividualTableLocking

        public boolean supportsIndividualTableLocking()
        INTERNAL: Indicates whether locking clause could be selectively applied only to some tables in a ReadQuery. Example: the following locks the rows in SALARY table, doesn't lock the rows in EMPLOYEE table: on Oracle platform (method returns true): SELECT t0.EMP_ID..., t1.SALARY FROM EMPLOYEE t0, SALARY t1 WHERE ... FOR UPDATE t1.SALARY on SQLServer platform (method returns true): SELECT t0.EMP_ID..., t1.SALARY FROM EMPLOYEE t0, SALARY t1 WITH (UPDLOCK) WHERE ...
        Overrides:
        supportsIndividualTableLocking in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

      • supportsStoredFunctions

        public boolean supportsStoredFunctions()
        Overrides:
        supportsStoredFunctions in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

      • supportsAutoConversionToNumericForArithmeticOperations

        public boolean supportsAutoConversionToNumericForArithmeticOperations()
        Some db allow VARCHAR db field to be used in arithmetic operations automatically converting them to numeric: UPDATE OL_PHONE SET PHONE_ORDER_VARCHAR = (PHONE_ORDER_VARCHAR + 1) WHERE ... SELECT ... WHERE ... t0.MANAGED_ORDER_VARCHAR BETWEEN 1 AND 4 ...
        Overrides:
        supportsAutoConversionToNumericForArithmeticOperations in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

      • getDropDatabaseSchemaString

        public String getDropDatabaseSchemaString​(String schema)
        Return the drop schema definition. Subclasses should override as needed.
        Overrides:
        getDropDatabaseSchemaString in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

      • shouldAlwaysUseTempStorageForModifyAll

        public boolean shouldAlwaysUseTempStorageForModifyAll()
        INTERNAL: MySQL supports temp tables for update-all, delete-all queries.
        Overrides:
        shouldAlwaysUseTempStorageForModifyAll in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

      • shouldPrintStoredProcedureArgumentNameInCall

        public boolean shouldPrintStoredProcedureArgumentNameInCall()
        INTERNAL: MySQL stored procedure calls do not require the argument name be printed in the call string e.g. call MyStoredProc(?) instead of call MyStoredProc(myvariable = ?)
        Overrides:
        shouldPrintStoredProcedureArgumentNameInCall in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

      • shouldPrintForUpdateClause

        public boolean shouldPrintForUpdateClause()
        INTERNAL: MySQL FOR UPDATE clause has to be the last
        Overrides:
        shouldPrintForUpdateClause in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

      • getIdentifierQuoteCharacter

        public String getIdentifierQuoteCharacter()
        Deprecated.
        INTERNAL: MySQL uses ' to allow identifier to have spaces.
        Overrides:
        getIdentifierQuoteCharacter in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
        Returns:
        The quote character for this platform
        See Also:
        DatasourcePlatform.getStartDelimiter(), DatasourcePlatform.getEndDelimiter()

      • getInOutputProcedureToken

        public String getInOutputProcedureToken()
        INTERNAL: MySQL uses the INOUT keyword for this.
        Overrides:
        getInOutputProcedureToken in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

      • getProcedureAsString

        public String getProcedureAsString()
        MySQL does not use the AS token.
        Overrides:
        getProcedureAsString in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

      • shouldPrintOutputTokenAtStart

        public boolean shouldPrintOutputTokenAtStart()
        INTERNAL: MySQL requires the direction at the start of the argument.
        Overrides:
        shouldPrintOutputTokenAtStart in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

      • getProcedureCallHeader

        public String getProcedureCallHeader()
        INTERNAL: Used for stored procedure calls.
        Overrides:
        getProcedureCallHeader in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

      • getProcedureBeginString

        public String getProcedureBeginString()
        INTERNAL: MySQL requires BEGIN.
        Overrides:
        getProcedureBeginString in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

      • getProcedureEndString

        public String getProcedureEndString()
        INTERNAL: MySQL requires END.
        Overrides:
        getProcedureEndString in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

      • writeUpdateOriginalFromTempTableSql

        public void writeUpdateOriginalFromTempTableSql​(Writer writer,
                                                org.eclipse.persistence.internal.helper.DatabaseTable table,
                                                Collection pkFields,
                                                Collection assignedFields)
                                         throws IOException
        INTERNAL: Writes MySQL specific SQL for accessing temp tables for update-all queries.
        Overrides:
        writeUpdateOriginalFromTempTableSql in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
        Throws:
        IOException

      • writeDeleteFromTargetTableUsingTempTableSql

        public void writeDeleteFromTargetTableUsingTempTableSql​(Writer writer,
                                                        org.eclipse.persistence.internal.helper.DatabaseTable table,
                                                        org.eclipse.persistence.internal.helper.DatabaseTable targetTable,
                                                        Collection pkFields,
                                                        Collection targetPkFields,
                                                        org.eclipse.persistence.internal.databaseaccess.DatasourcePlatform platform)
                                                 throws IOException
        INTERNAL: Writes MySQL specific SQL for accessing temp tables for delete-all queries.
        Overrides:
        writeDeleteFromTargetTableUsingTempTableSql in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
        Throws:
        IOException

      • printSQLSelectStatement

        public void printSQLSelectStatement​(org.eclipse.persistence.internal.databaseaccess.DatabaseCall call,
                                    org.eclipse.persistence.internal.expressions.ExpressionSQLPrinter printer,
                                    org.eclipse.persistence.internal.expressions.SQLSelectStatement statement)
        Description copied from class: org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
        INTERNAL: Print the SQL representation of the statement on a stream, storing the fields in the DatabaseCall.
        Overrides:
        printSQLSelectStatement in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

      • requiresProcedureBrackets

        public boolean requiresProcedureBrackets()
        Used for stored procedure creation: MySQL platforms need brackets around arguments declaration even if no arguments exist.
        Overrides:
        requiresProcedureBrackets in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

      • printStoredFunctionReturnKeyWord

        public void printStoredFunctionReturnKeyWord​(Writer writer)
                                      throws IOException
        INTERNAL: Prints return keyword for StoredFunctionDefinition: CREATE FUNCTION StoredFunction_In (P_IN BIGINT) RETURN BIGINT The method was introduced because MySQL requires "RETURNS" instead: CREATE FUNCTION StoredFunction_In (P_IN BIGINT) RETURNS BIGINT
        Overrides:
        printStoredFunctionReturnKeyWord in class org.eclipse.persistence.internal.databaseaccess.DatabasePlatform
        Throws:
        IOException