Package com.amazonaws.athena.connectors.jdbc.manager

Class JdbcFederationExpressionParser

java.lang.Object

com.amazonaws.athena.connectors.jdbc.manager.FederationExpressionParser

com.amazonaws.athena.connectors.jdbc.manager.JdbcFederationExpressionParser

public abstract class JdbcFederationExpressionParser
extends FederationExpressionParser

Constructor Summary

Constructors

Constructor	Description
JdbcFederationExpressionParser(String quoteChar)

Method Summary

Modifier and Type	Method	Description
String	mapFunctionToDataSourceSyntax(com.amazonaws.athena.connector.lambda.domain.predicate.functions.FunctionName functionName, org.apache.arrow.vector.types.pojo.ArrowType type, List<String> arguments)	Each datasource has different syntax for various operations, quotes, etc.
String	parseVariableExpression(com.amazonaws.athena.connector.lambda.domain.predicate.expression.VariableExpression variableExpression)	JDBC Requires wrapping column names in a specific quote char
abstract String	writeArrayConstructorClause(org.apache.arrow.vector.types.pojo.ArrowType type, List<String> arguments)

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

parseComplexExpressions, parseConstantExpression, parseFunctionCallExpression

Methods inherited from class java.lang.Object

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

Constructor Detail

JdbcFederationExpressionParser

public JdbcFederationExpressionParser(String quoteChar)

Method Detail

writeArrayConstructorClause

public abstract String writeArrayConstructorClause(org.apache.arrow.vector.types.pojo.ArrowType type,
                                                   List<String> arguments)

parseVariableExpression

public String parseVariableExpression(com.amazonaws.athena.connector.lambda.domain.predicate.expression.VariableExpression variableExpression)

JDBC Requires wrapping column names in a specific quote char

Overrides:

parseVariableExpression in class FederationExpressionParser

mapFunctionToDataSourceSyntax

public String mapFunctionToDataSourceSyntax(com.amazonaws.athena.connector.lambda.domain.predicate.functions.FunctionName functionName,
                                            org.apache.arrow.vector.types.pojo.ArrowType type,
                                            List<String> arguments)

Description copied from class: FederationExpressionParser

Each datasource has different syntax for various operations, quotes, etc. This is the only method a subclass to implement, and otherwise will just invoke parseComplexExpressions.

Specified by:

mapFunctionToDataSourceSyntax in class FederationExpressionParser