Field Detail

• compilationSchema

  private final SchemaDescriptor compilationSchema

• statementText

  private final java.lang.String statementText

• isForReadOnly

  private final boolean isForReadOnly

• prepareIsolationLevel

  private int prepareIsolationLevel

• preparedStmt

  private GenericPreparedStatement preparedStmt

Constructor Detail

• GenericStatement

  public GenericStatement​(SchemaDescriptor compilationSchema,
                          java.lang.String statementText,
                          boolean isForReadOnly)

  Constructor for a Statement given the text of the statement in a String

  Parameters:

  compilationSchema - schema

  statementText - The text of the statement

  isForReadOnly - if the statement is opened with level CONCUR_READ_ONLY

Method Detail

• prepare

  public PreparedStatement prepare​(LanguageConnectionContext lcc)
                            throws StandardException

  Description copied from interface: Statement
  Generates an execution plan without executing it.

  Specified by:

  prepare in interface Statement

  Returns:

  A PreparedStatement that allows execution of the execution plan.

  Throws:

  StandardException - Thrown if this is an execution-only version of the module (the prepare() method relies on compilation).

• prepare

  public PreparedStatement prepare​(LanguageConnectionContext lcc,
                                   boolean forMetaData)
                            throws StandardException

  Description copied from interface: Statement
  Generates an execution plan without executing it.

  Specified by:

  prepare in interface Statement

  Parameters:

  lcc - the language connection context

  forMetaData - If this statement is for a metadata call then we will allow internal sql syntax on such statement. This internal sql syntax is not available to a user sql statement.

  Returns:

  A PreparedStatement that allows execution of the execution plan.

  Throws:

  StandardException - Thrown if this is an execution-only version of the module (the prepare() method relies on compilation).

• prepMinion

  private PreparedStatement prepMinion​(LanguageConnectionContext lcc,
                                       boolean cacheMe,
                                       java.lang.Object[] paramDefaults,
                                       SchemaDescriptor spsSchema,
                                       boolean internalSQL)
                                throws StandardException

  Throws:

  StandardException

• walkAST

  private void walkAST​(LanguageConnectionContext lcc,
                       Visitable queryTree,
                       int phase)
                throws StandardException

  Walk the AST, using a (user-supplied) Visitor

  Throws:

  StandardException

• prepareStorable

  public PreparedStatement prepareStorable​(LanguageConnectionContext lcc,
                                           PreparedStatement ps,
                                           java.lang.Object[] paramDefaults,
                                           SchemaDescriptor spsSchema,
                                           boolean internalSQL)
                                    throws StandardException

  Generates an execution plan given a set of named parameters. Does so for a storable prepared statement.

  Specified by:

  prepareStorable in interface Statement

  Parameters:

  paramDefaults - Parameter defaults

  lcc - Compiler state variable.

  ps - Prepared statement

  spsSchema - schema of the stored prepared statement

  Returns:

  A PreparedStatement that allows execution of the execution plan.

  Throws:

  StandardException - Thrown if this is an execution-only version of the module (the prepare() method relies on compilation).

• getSource

  public java.lang.String getSource()

  Description copied from interface: Statement
  Return the SQL string that this statement is for.

  Specified by:

  getSource in interface Statement

  Returns:

  the SQL string this statement is for.

• getCompilationSchema

  public java.lang.String getCompilationSchema()

• getCurrentTimeMillis

  private static long getCurrentTimeMillis​(LanguageConnectionContext lcc)

• getPreparedStatement

  public PreparedStatement getPreparedStatement()

  Return the PreparedStatement currently associated with this statement.

  Returns:

  the prepared statement that is associated with this statement

• equals

  public boolean equals​(java.lang.Object other)

  Overrides:

  equals in class java.lang.Object

• hashCode

  public int hashCode()

  Overrides:

  hashCode in class java.lang.Object