Package com.amazonaws.athena.connectors.datalakegen2

Class DataLakeGen2QueryStringBuilder

java.lang.Object

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

com.amazonaws.athena.connectors.datalakegen2.DataLakeGen2QueryStringBuilder

public class DataLakeGen2QueryStringBuilder
extends JdbcSplitQueryBuilder

Field Summary

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

emptyString

Constructor Summary

Constructors

Constructor	Description
DataLakeGen2QueryStringBuilder(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)	As Gen2 does not support partitioning returning empty list

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

appendLimitOffset, buildSql, extractOrderByClause, prepareStatementWithSql, quote, toPredicate

Methods inherited from class java.lang.Object

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

Constructor Detail

DataLakeGen2QueryStringBuilder

public DataLakeGen2QueryStringBuilder(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)

As Gen2 does not support partitioning returning empty list

Specified by:

getPartitionWhereClauses in class JdbcSplitQueryBuilder

Parameters:

split -

Returns:

appendLimitOffset

protected String appendLimitOffset(Split split,
                                   Constraints constraints)

Overrides:

appendLimitOffset in class JdbcSplitQueryBuilder