Package com.databricks.jdbc.common.util

Class InsertStatementParser

java.lang.Object

com.databricks.jdbc.common.util.InsertStatementParser

public class InsertStatementParser
extends Object

Utility class for parsing INSERT statements to extract table and column information. Supports detecting compatible INSERT statements that can be combined into multi-row batches.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	InsertStatementParser.InsertInfo	Represents the parsed components of an INSERT statement.

Constructor Summary

Constructors

Constructor	Description
InsertStatementParser()

Method Summary

Modifier and Type	Method	Description
static String	generateMultiRowInsert(InsertStatementParser.InsertInfo insertInfo, int numberOfRows)	Generates a multi-row INSERT statement from the template and number of rows.
static boolean	isParametrizedInsert(String sql)	Checks if the given SQL statement is a parametrized INSERT statement suitable for batching.
static InsertStatementParser.InsertInfo	parseInsert(String sql)	Parses an INSERT statement to extract table and column information.
static InsertStatementParser.InsertInfo	parseInsertStrict(String sql)	Parses an INSERT statement to extract table and column information with strict error handling.

Methods inherited from class java.lang.Object

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

Constructor Detail

InsertStatementParser

public InsertStatementParser()

Method Detail

parseInsert

public static InsertStatementParser.InsertInfo parseInsert(String sql)

Parses an INSERT statement to extract table and column information.

Parameters:

sql - the INSERT SQL statement to parse

Returns:

InsertInfo object containing parsed information, or null if not a valid INSERT

parseInsertStrict

public static InsertStatementParser.InsertInfo parseInsertStrict(String sql)
                                                          throws DatabricksParsingException

Parses an INSERT statement to extract table and column information with strict error handling.

Parameters:

sql - the INSERT SQL statement to parse

Returns:

InsertInfo object containing parsed information

Throws:

DatabricksParsingException - if the SQL is not a properly formatted INSERT statement

isParametrizedInsert

public static boolean isParametrizedInsert(String sql)

Checks if the given SQL statement is a parametrized INSERT statement suitable for batching.

Parameters:

sql - the SQL statement to check

Returns:

true if it's a parametrized INSERT that can be batched, false otherwise

generateMultiRowInsert

public static String generateMultiRowInsert(InsertStatementParser.InsertInfo insertInfo,
                                            int numberOfRows)
                                     throws DatabricksParsingException

Generates a multi-row INSERT statement from the template and number of rows.

Parameters:

insertInfo - the parsed INSERT information

numberOfRows - the number of rows to include in the batch

Returns:

the multi-row INSERT SQL statement

Throws:

DatabricksParsingException - if insertInfo is null or numberOfRows is invalid