PostgreSQL: Documentation: devel: SPI

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Documentation → PostgreSQL devel (2025年09月24日 06:29:54 - git commit 5334620eef8)

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SPI_getargcount
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SPI_getargcount

SPI_getargcount — return the number of arguments needed by a statement prepared by SPI_prepare

Synopsis

int SPI_getargcount(SPIPlanPtr plan)

Description

SPI_getargcount returns the number of arguments needed to execute a statement prepared by SPI_prepare.

Arguments

SPIPlanPtr plan: prepared statement (returned by SPI_prepare)

Return Value

The count of expected arguments for the plan. If the plan is NULL or invalid, SPI_result is set to SPI_ERROR_ARGUMENT and -1 is returned.

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