PushdownSqlParser (Common module of Exasol Virtual Schemas Adapters 15.3.1 API)

java.lang.Object
- com.exasol.adapter.request.parser.PushdownSqlParser

public final class PushdownSqlParser
extends Object

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected jakarta.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(jakarta.json.JsonObject expression)`
`protected Map<String,String>`	`parseProperties(jakarta.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(jakarta.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 jakarta.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(jakarta.json.JsonObject jsonSchemaMedadataInfo)
```