SPIDER_DIRECT_SQL
Sintassi
SPIDER_DIRECT_SQL('sql', 'lista_tab_temp', 'parametri')
Spiegazione
Una UDF installata con lo Storage Engine Spider. Esegue la stringa SQL sql
sul server remoto, come definito in parametri
. Se restituisce dei set di risultati, vengono scritti in lista_tab:temp
.
La funzione restituisce 1
se la stringa SQL è eseguita con successo, 0
se fallisce.
Esempi
SELECT SPIDER_DIRECT_SQL('SELECT * FROM s', '', 'srv "node1", port "8607"'); +----------------------------------------------------------------------+ | SPIDER_DIRECT_SQL('SELECT * FROM s', '', 'srv "node1", port "8607"') | +----------------------------------------------------------------------+ | 1 | +----------------------------------------------------------------------+
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