org.apache.drill.exec.planner.sql.parser.impl

Class DrillSqlParseException

java.lang.Object

java.lang.Throwable

java.lang.Exception

org.apache.calcite.sql.parser.SqlParseException

org.apache.drill.exec.planner.sql.parser.impl.DrillSqlParseException

All Implemented Interfaces:

Serializable, org.apache.calcite.util.CalciteParserException

public class DrillSqlParseException
extends org.apache.calcite.sql.parser.SqlParseException

Customized SqlParseException class

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
DrillSqlParseException(String sql, org.apache.calcite.sql.parser.SqlParseException sqlParseException)
DrillSqlParseException(String sql, org.apache.calcite.sql.parser.SqlParserPos pos)

Method Summary

Modifier and Type	Method and Description
String	getMessage() Builds error message just like the original SqlParseException with special handling for ParseException class.
String	getSqlWithErrorPointer() Formats sql query which caused the exception by adding error pointer ^ under incorrect expression.

Methods inherited from class org.apache.calcite.sql.parser.SqlParseException

getCause, getExpectedTokenNames, getExpectedTokenSequences, getPos, getTokenImages

Methods inherited from class java.lang.Throwable

addSuppressed, fillInStackTrace, getLocalizedMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

DrillSqlParseException

public DrillSqlParseException(String sql,
                              org.apache.calcite.sql.parser.SqlParseException sqlParseException)

DrillSqlParseException

public DrillSqlParseException(String sql,
                              org.apache.calcite.sql.parser.SqlParserPos pos)

Method Detail

getMessage

public String getMessage()

Builds error message just like the original SqlParseException with special handling for ParseException class.

This is customized implementation of the original Throwable.getMessage(). Any other underlying SqlParseException exception messages goes through without changes

Example:

   Given query: SELECT FROM (VALUES(1));

   Generated message for the unsupported FROM token after SELECT would look like:

       Encountered "FROM" at line 1, column 8.

Overrides:

getMessage in class Throwable

Returns:

formatted string representation of DrillSqlParseException

getSqlWithErrorPointer

public String getSqlWithErrorPointer()

Formats sql query which caused the exception by adding error pointer ^ under incorrect expression.

Returns:

The sql with a ^ character under the error