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NAMESPI_register_trigger_data - make ephemeral trigger data available in SPI queriesSYNOPSISint SPI_register_trigger_data(TriggerData *tdata) DESCRIPTIONSPI_register_trigger_data makes any ephemeral relations captured by a trigger available to queries planned and executed through the current SPI connection. Currently, this means the transition tables captured by an AFTER trigger defined with a REFERENCING OLD/NEW TABLE AS ... clause. This function should be called by a PL trigger handler function after connecting.ARGUMENTSTriggerData *tdatathe TriggerData object passed to a trigger handler
function as fcinfo->context
RETURN VALUEIf the execution of the command was successful then the following (nonnegative) value will be returned:SPI_OK_TD_REGISTER if the captured trigger data (if any) has been
successfully registered
On error, one of the following negative values is returned: SPI_ERROR_ARGUMENT if tdata is NULL
SPI_ERROR_UNCONNECTED if called from an unconnected C function
SPI_ERROR_REL_DUPLICATE if the name of any trigger data transient relation is
already registered for this connection
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