8.5.11 getBigDecimal(int columnIndex)

(1) Function

This method acquires in a java.math.BigDecimal object the value in a specified column in the current row of the ResultSet object. The column whose value is to be acquired is specified in the argument.

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(2) Format

public synchronized BigDecimal getBigDecimal(int columnIndex) throws SQLException

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(3) Arguments

int columnIndex

Specifies a column number.

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(4) Return value

This method returns the column value that corresponds to the specified column number in the current row. The following table shows the relationship between the retrieval result and the return value.

Table 8‒19: Relationship between the retrieval result and the return value (getBigDecimal method)

HADB data type	Retrieval result	Return value
CHAR VARCHAR	Null value	null
	[space]integer-in-character-string-representation, decimal-number-in-character-string-representation, or floating-point-number-in-character-string-representation [space]	java.math.BigDecimal object containing the retrieval result (the value without the spaces at the beginning and end of the character string is used as the java.math.BigDecimal object)
	Other than the above	SQLException is thrown.
SMALLINT	Null value	null
	Other than the above	java.math.BigDecimal object containing the retrieval result
INTEGER	Null value	null
	Other than the above	java.math.BigDecimal object containing the retrieval result
DECIMAL	Null value	null
	Other than the above	java.math.BigDecimal object containing the retrieval result
DOUBLE PRECISION	Null value	null
	Other than the above	java.math.BigDecimal object containing the retrieval result
BOOLEAN#	Null value	null
	true	java.math.BigDecimal object obtained based on BigDecimal(1)
	false	java.math.BigDecimal object obtained based on BigDecimal(0)
Other	Not applicable	SQLException is thrown.

#

BOOLEAN-type data exists when the ResultSet object was created from DatabaseMetadata.

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(5) Exceptions

The JDBC driver throws an SQLException in the following cases:

• This ResultSet object is closed.

  This includes the case where the ResultSet object was closed because the Statement object that created this ResultSet object was closed.

• The Connection used to create the Statement object that created this ResultSet object has been closed.

• The ResultSet object has become invalid due to transaction settlement.

• A nonexistent column number was specified.

• The data type cannot be acquired by this method.

• The column value cannot be acquired as BigDecimal.

• An error occurred in the JDBC driver.

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