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Parameter
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Type
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Description
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INPUT
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sqlip_hsmt
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SQLIP_HSTMT
|
The statement handle
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iCol
|
OADS_INTEGER
|
Column number – first column starts at zero.
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OUTPUT
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piCardinality
|
OADS_INTEGER*
|
For array types, it gives the maximum number of array elements.
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piXODataType
|
OADS_SMALLINT*
|
Data type of the column.
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piNullable
|
OADS_SMALLINT*
|
Whether the column can have null values.
When set to 1, the column can have null values.
When set to 0, the column cannot have null values.
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&pColName
|
OADS_POINTER*
|
Allocate a buffer, fill it with the column name, and return the pointer to this buffer. This buffer is used by the calling method.
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piLen
|
OADS_ULEN*
|
Maximum length of the data in the column. Leave null for other types.
CHAR and VARCHAR – maximum length of the string
NUMERIC – precision + 2
Other datatypes – NULL
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|
piPrecision
|
OADS_ULEN*
|
Number of digits of mantissa precision.
NUMERIC - Number of digits
CHAR and VARCHAR - set to same as piLen INTEGER=10, SMALLINT=5, DOUBLE=15, REAL=7,FLOAT=15
DATE=10, TIME=8, TIMESTAMP=19
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piScale
|
OADS_SMALLINT*
|
Total number of significant digits to the right of the decimal point.
Only required for NUMERIC types.
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RETURN
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|
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int
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OADS_SUCCESS
OADS_ERROR – error allocating a connection handle
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