Package com.amazonaws.athena.connectors.sqlserver

Class SqlServerQueryStringBuilder

java.lang.Object

com.amazonaws.athena.connectors.jdbc.manager.JdbcSplitQueryBuilder

com.amazonaws.athena.connectors.sqlserver.SqlServerQueryStringBuilder

public class SqlServerQueryStringBuilder
extends JdbcSplitQueryBuilder

Field Summary

Fields inherited from class com.amazonaws.athena.connectors.jdbc.manager.JdbcSplitQueryBuilder

emptyString

Constructor Summary

Constructors

Constructor	Description
SqlServerQueryStringBuilder(String quoteCharacters, FederationExpressionParser federationExpressionParser)

Method Summary

Modifier and Type	Method	Description
protected String	appendLimitOffset(Split split, Constraints constraints)
protected String	getFromClauseWithSplit(String catalog, String schema, String table, Split split)
protected List<String>	getPartitionWhereClauses(Split split)	In case of partitioned table, custom query will be formed to get specific partition otherwise empty list will be returned
protected org.apache.calcite.sql.SqlDialect	getSqlDialect()
protected org.apache.calcite.sql.SqlDialect	getSqlDialect(boolean catalogCasingFilterUpperCase)	Returns the SQL dialect to use for query generation with catalog casing filter support.

Methods inherited from class com.amazonaws.athena.connectors.jdbc.manager.JdbcSplitQueryBuilder

appendLimitOffset, appendLimitOffsetWithValue, buildSql, buildSQLStringLiteral, extractOrderByClause, prepareStatementWithCalciteSql, prepareStatementWithSql, quote, toPredicate

Methods inherited from class java.lang.Object

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

Constructor Detail

SqlServerQueryStringBuilder

public SqlServerQueryStringBuilder(String quoteCharacters,
                                   FederationExpressionParser federationExpressionParser)

Method Detail

getFromClauseWithSplit

protected String getFromClauseWithSplit(String catalog,
                                        String schema,
                                        String table,
                                        Split split)

Specified by:

getFromClauseWithSplit in class JdbcSplitQueryBuilder

getPartitionWhereClauses

protected List<String> getPartitionWhereClauses(Split split)

In case of partitioned table, custom query will be formed to get specific partition otherwise empty list will be returned

Specified by:

getPartitionWhereClauses in class JdbcSplitQueryBuilder

Parameters:

split -

Returns:

appendLimitOffset

protected String appendLimitOffset(Split split,
                                   Constraints constraints)

Overrides:

appendLimitOffset in class JdbcSplitQueryBuilder

getSqlDialect

protected org.apache.calcite.sql.SqlDialect getSqlDialect()

Overrides:

getSqlDialect in class JdbcSplitQueryBuilder

getSqlDialect

protected org.apache.calcite.sql.SqlDialect getSqlDialect(boolean catalogCasingFilterUpperCase)

Description copied from class: JdbcSplitQueryBuilder

Returns the SQL dialect to use for query generation with catalog casing filter support. Subclasses should override to return a database-specific dialect.

Overrides:

getSqlDialect in class JdbcSplitQueryBuilder

Parameters:

catalogCasingFilterUpperCase - whether to apply catalog casing to quoted identifiers

Returns:

the SqlDialect instance