com.exasol.adapter.request.parser

Class PushdownSqlParser

java.lang.Object

com.exasol.adapter.request.parser.PushdownSqlParser

public final class PushdownSqlParser
extends Object

Method Summary

Modifier and Type	Method and Description
protected javax.json.JsonReader	createJsonReader(String rawRequest) Create a JSON reader for raw request data.
static PushdownSqlParser	createWithTablesMetadata(List<TableMetadata> involvedTableMetadata) Create an instance of a PushdownSqlParser
SqlNode	parseExpression(javax.json.JsonObject expression)
protected Map<String,String>	parseProperties(javax.json.JsonObject jsonSchemaMedadataInfo)

Methods inherited from class java.lang.Object

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

Method Detail

parseExpression

public SqlNode parseExpression(javax.json.JsonObject expression)

createWithTablesMetadata

public static PushdownSqlParser createWithTablesMetadata(List<TableMetadata> involvedTableMetadata)

Create an instance of a PushdownSqlParser

Parameters:

involvedTableMetadata - metadata for all tables that are referred to in the push-down request

Returns:

new instance

createJsonReader

protected javax.json.JsonReader createJsonReader(String rawRequest)

Create a JSON reader for raw request data.

The data stream fed into this reader must be UTF-8 encoded.

Parameters:

rawRequest - raw JSON string representing an adapter request or part thereof

Returns:

JSON reader

parseProperties

protected Map<String,String> parseProperties(javax.json.JsonObject jsonSchemaMedadataInfo)