org.apache.hadoop.hive.ql.ddl.table.constraint

Class ConstraintsUtils

java.lang.Object

org.apache.hadoop.hive.ql.ddl.table.constraint.ConstraintsUtils

public final class ConstraintsUtils
extends Object

Utilities for constraints.

Field Summary

Fields

Modifier and Type	Field and Description
static String	CHECK_CONSTRAINT_PROGRAM

Method Summary

Modifier and Type	Method and Description
static boolean	hasEnabledOrValidatedConstraints(List<org.apache.hadoop.hive.metastore.api.SQLNotNullConstraint> notNullConstraints, List<org.apache.hadoop.hive.metastore.api.SQLDefaultConstraint> defaultConstraints, List<org.apache.hadoop.hive.metastore.api.SQLCheckConstraint> checkConstraints)
static void	processCheckConstraints(TableName tableName, ASTNode child, List<String> columnNames, List<org.apache.hadoop.hive.metastore.api.SQLCheckConstraint> checkConstraints, ASTNode typeChild, org.antlr.runtime.TokenRewriteStream tokenRewriteStream)
static void	processDefaultConstraints(TableName tableName, ASTNode child, List<String> columnNames, List<org.apache.hadoop.hive.metastore.api.SQLDefaultConstraint> defaultConstraints, ASTNode typeChild, org.antlr.runtime.TokenRewriteStream tokenRewriteStream)
static void	processForeignKeys(TableName tableName, ASTNode node, List<org.apache.hadoop.hive.metastore.api.SQLForeignKey> foreignKeys)
static void	processNotNullConstraints(TableName tableName, ASTNode child, List<String> columnNames, List<org.apache.hadoop.hive.metastore.api.SQLNotNullConstraint> notNullConstraints)
static void	processPrimaryKeys(TableName tableName, ASTNode child, List<org.apache.hadoop.hive.metastore.api.SQLPrimaryKey> primaryKeys)
static void	processPrimaryKeys(TableName tableName, ASTNode child, List<String> columnNames, List<org.apache.hadoop.hive.metastore.api.SQLPrimaryKey> primaryKeys)
static void	processUniqueConstraints(TableName tableName, ASTNode child, List<org.apache.hadoop.hive.metastore.api.SQLUniqueConstraint> uniqueConstraints) Process the unique constraints from the ast node and populate the SQLUniqueConstraint list.
static void	processUniqueConstraints(TableName tableName, ASTNode child, List<String> columnNames, List<org.apache.hadoop.hive.metastore.api.SQLUniqueConstraint> uniqueConstraints)
static void	validateCheckConstraint(List<org.apache.hadoop.hive.metastore.api.FieldSchema> columns, List<org.apache.hadoop.hive.metastore.api.SQLCheckConstraint> checkConstraints, org.apache.hadoop.conf.Configuration conf)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

CHECK_CONSTRAINT_PROGRAM

public static final String CHECK_CONSTRAINT_PROGRAM

See Also:

Constant Field Values

Method Detail

processPrimaryKeys

public static void processPrimaryKeys(TableName tableName,
                                      ASTNode child,
                                      List<org.apache.hadoop.hive.metastore.api.SQLPrimaryKey> primaryKeys)
                               throws SemanticException

Throws:

SemanticException

processPrimaryKeys

public static void processPrimaryKeys(TableName tableName,
                                      ASTNode child,
                                      List<String> columnNames,
                                      List<org.apache.hadoop.hive.metastore.api.SQLPrimaryKey> primaryKeys)
                               throws SemanticException

Throws:

SemanticException

processUniqueConstraints

public static void processUniqueConstraints(TableName tableName,
                                            ASTNode child,
                                            List<org.apache.hadoop.hive.metastore.api.SQLUniqueConstraint> uniqueConstraints)
                                     throws SemanticException

Process the unique constraints from the ast node and populate the SQLUniqueConstraint list.

Throws:

SemanticException

processUniqueConstraints

public static void processUniqueConstraints(TableName tableName,
                                            ASTNode child,
                                            List<String> columnNames,
                                            List<org.apache.hadoop.hive.metastore.api.SQLUniqueConstraint> uniqueConstraints)
                                     throws SemanticException

Throws:

SemanticException

processCheckConstraints

public static void processCheckConstraints(TableName tableName,
                                           ASTNode child,
                                           List<String> columnNames,
                                           List<org.apache.hadoop.hive.metastore.api.SQLCheckConstraint> checkConstraints,
                                           ASTNode typeChild,
                                           org.antlr.runtime.TokenRewriteStream tokenRewriteStream)
                                    throws SemanticException

Throws:

SemanticException

processDefaultConstraints

public static void processDefaultConstraints(TableName tableName,
                                             ASTNode child,
                                             List<String> columnNames,
                                             List<org.apache.hadoop.hive.metastore.api.SQLDefaultConstraint> defaultConstraints,
                                             ASTNode typeChild,
                                             org.antlr.runtime.TokenRewriteStream tokenRewriteStream)
                                      throws SemanticException

Throws:

SemanticException

processNotNullConstraints

public static void processNotNullConstraints(TableName tableName,
                                             ASTNode child,
                                             List<String> columnNames,
                                             List<org.apache.hadoop.hive.metastore.api.SQLNotNullConstraint> notNullConstraints)
                                      throws SemanticException

Throws:

SemanticException

processForeignKeys

public static void processForeignKeys(TableName tableName,
                                      ASTNode node,
                                      List<org.apache.hadoop.hive.metastore.api.SQLForeignKey> foreignKeys)
                               throws SemanticException

Throws:

SemanticException

validateCheckConstraint

public static void validateCheckConstraint(List<org.apache.hadoop.hive.metastore.api.FieldSchema> columns,
                                           List<org.apache.hadoop.hive.metastore.api.SQLCheckConstraint> checkConstraints,
                                           org.apache.hadoop.conf.Configuration conf)
                                    throws SemanticException

Throws:

SemanticException

hasEnabledOrValidatedConstraints

public static boolean hasEnabledOrValidatedConstraints(List<org.apache.hadoop.hive.metastore.api.SQLNotNullConstraint> notNullConstraints,
                                                       List<org.apache.hadoop.hive.metastore.api.SQLDefaultConstraint> defaultConstraints,
                                                       List<org.apache.hadoop.hive.metastore.api.SQLCheckConstraint> checkConstraints)