Extracted from Pike v7.8 release 866 at 2016-11-06.
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Postgres
Postgres.postgres_result

Methods
 create()
 fetch_fields()
 fetch_row()
 num_fields()
 num_rows()
 seek()
previousPostgres.postgres_result()->num_rows()
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Method Postgres.postgres_result()->seek()

Method seek

void seek()

Description

Moves the result cursor (ahead or backwards) the specified number of rows. Notice that when you fetch a row, the cursor is automatically moved forward one slot.