org.apache.hadoop.hive.ql.parse.rewrite.sql

Class MultiInsertSqlGenerator

java.lang.Object

org.apache.hadoop.hive.ql.parse.rewrite.sql.MultiInsertSqlGenerator

Direct Known Subclasses:

NativeAcidMultiInsertSqlGenerator, NonNativeAcidMultiInsertSqlGenerator

public abstract class MultiInsertSqlGenerator
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
protected HiveConf	conf
protected StringBuilder	queryStr
protected String	subQueryAlias
protected Table	targetTable
protected String	targetTableFullName

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	MultiInsertSqlGenerator(Table targetTable, String targetTableFullName, HiveConf conf, String subQueryAlias)

Method Summary

Modifier and Type	Method and Description
MultiInsertSqlGenerator	addCteExpr()
MultiInsertSqlGenerator	append(char c)
MultiInsertSqlGenerator	append(String sqlTextFragment)
abstract void	appendAcidSelectColumns(Context.Operation operation)
void	appendAcidSelectColumnsForDeletedRecords(Context.Operation operation)
void	appendAcidSelectColumnsForDeletedRecords(Context.Operation operation, boolean skipPrefix)
void	appendAllColsOfTargetTable()
void	appendAllColsOfTargetTable(String prefix)
void	appendCols(List<org.apache.hadoop.hive.metastore.api.FieldSchema> columns)
void	appendCols(List<org.apache.hadoop.hive.metastore.api.FieldSchema> columns, String alias, String prefix)
void	appendDeleteBranch(String hintStr)
void	appendInsertBranch(String hintStr, List<String> values)
void	appendPartColsOfTargetTableWithComma(String alias)
void	appendPartitionCols(Table table) Append list of partition columns to Insert statement.
void	appendPartitionColsOfTarget()
void	appendSortBy(List<String> keys)
void	appendSortKeys()
MultiInsertSqlGenerator	appendSubQueryAlias()
MultiInsertSqlGenerator	appendTargetTableName()
abstract List<String>	getDeleteValues(Context.Operation operation)
abstract List<String>	getSortKeys()
Table	getTargetTable()
String	getTargetTableFullName()
MultiInsertSqlGenerator	indent()
MultiInsertSqlGenerator	newCteExpr()
String	qualify(String columnName)
void	removeLastChar()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

targetTable

protected final Table targetTable

targetTableFullName

protected final String targetTableFullName

conf

protected final HiveConf conf

subQueryAlias

protected final String subQueryAlias

queryStr

protected StringBuilder queryStr

Constructor Detail

MultiInsertSqlGenerator

protected MultiInsertSqlGenerator(Table targetTable,
                                  String targetTableFullName,
                                  HiveConf conf,
                                  String subQueryAlias)

Method Detail

getTargetTable

public Table getTargetTable()

getTargetTableFullName

public String getTargetTableFullName()

appendAcidSelectColumns

public abstract void appendAcidSelectColumns(Context.Operation operation)

appendAcidSelectColumnsForDeletedRecords

public void appendAcidSelectColumnsForDeletedRecords(Context.Operation operation)

appendAcidSelectColumnsForDeletedRecords

public void appendAcidSelectColumnsForDeletedRecords(Context.Operation operation,
                                                     boolean skipPrefix)

getDeleteValues

public abstract List<String> getDeleteValues(Context.Operation operation)

getSortKeys

public abstract List<String> getSortKeys()

qualify

public String qualify(String columnName)

appendInsertBranch

public void appendInsertBranch(String hintStr,
                               List<String> values)

appendDeleteBranch

public void appendDeleteBranch(String hintStr)

appendPartitionColsOfTarget

public void appendPartitionColsOfTarget()

appendPartitionCols

public void appendPartitionCols(Table table)

Append list of partition columns to Insert statement. If user specified partition spec, then use it to get/set the value for partition column else use dynamic partition mode with no value. Static partition mode: INSERT INTO T PARTITION(partCol1=val1,partCol2...) SELECT col1, ... partCol1,partCol2... Dynamic partition mode: INSERT INTO T PARTITION(partCol1,partCol2...) SELECT col1, ... partCol1,partCol2...

appendSortBy

public void appendSortBy(List<String> keys)

appendSortKeys

public void appendSortKeys()

append

public MultiInsertSqlGenerator append(String sqlTextFragment)

toString

public String toString()

Overrides:

toString in class Object

removeLastChar

public void removeLastChar()

appendPartColsOfTargetTableWithComma

public void appendPartColsOfTargetTableWithComma(String alias)

appendAllColsOfTargetTable

public void appendAllColsOfTargetTable(String prefix)

appendAllColsOfTargetTable

public void appendAllColsOfTargetTable()

appendCols

public void appendCols(List<org.apache.hadoop.hive.metastore.api.FieldSchema> columns)

appendCols

public void appendCols(List<org.apache.hadoop.hive.metastore.api.FieldSchema> columns,
                       String alias,
                       String prefix)

appendTargetTableName

public MultiInsertSqlGenerator appendTargetTableName()

append

public MultiInsertSqlGenerator append(char c)

indent

public MultiInsertSqlGenerator indent()

appendSubQueryAlias

public MultiInsertSqlGenerator appendSubQueryAlias()

newCteExpr

public MultiInsertSqlGenerator newCteExpr()

addCteExpr

public MultiInsertSqlGenerator addCteExpr()