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Add pqsetsinglerowmode to postgres module (#17030)

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* Add pqsetsinglerowmode to postgres module

Very useful to reduce memory usage when fetch a large amount of data.
Documentation: https://www.postgresql.org/docs/current/libpq-single-row-mode.html

* Add missing enum to the ExecStatusType

* Revert entry

* Update ConnStatusType enum
This commit is contained in:
Artem Klevtsov
2021-02-14 20:27:44 +06:00
committed by GitHub
parent fff5819ee7
commit b68ecc82cb
1 changed files with 6 additions and 2 deletions
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8
lib/wrappers/postgres.nim
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@@ -53,7 +53,8 @@ type
PExecStatusType* = ptr ExecStatusType
ExecStatusType* = enum
PGRES_EMPTY_QUERY = 0, PGRES_COMMAND_OK, PGRES_TUPLES_OK, PGRES_COPY_OUT,
PGRES_COPY_IN, PGRES_BAD_RESPONSE, PGRES_NONFATAL_ERROR, PGRES_FATAL_ERROR
PGRES_COPY_IN, PGRES_BAD_RESPONSE, PGRES_NONFATAL_ERROR, PGRES_FATAL_ERROR,
PGRES_COPY_BOTH, PGRES_SINGLE_TUPLE
PGlobjfuncs*{.pure, final.} = object
fn_lo_open*: Oid
fn_lo_close*: Oid
@@ -69,7 +70,8 @@ type
ConnStatusType* = enum
CONNECTION_OK, CONNECTION_BAD, CONNECTION_STARTED, CONNECTION_MADE,
CONNECTION_AWAITING_RESPONSE, CONNECTION_AUTH_OK, CONNECTION_SETENV,
CONNECTION_SSL_STARTUP, CONNECTION_NEEDED
CONNECTION_SSL_STARTUP, CONNECTION_NEEDED, CONNECTION_CHECK_WRITABLE,
CONNECTION_CONSUME, CONNECTION_GSS_STARTUP, CONNECTION_CHECK_TARGET
PGconn*{.pure, final.} = object
pghost*: cstring
pgtty*: cstring
@@ -248,6 +250,8 @@ proc pqsendQueryPrepared*(conn: PPGconn, stmtName: cstring, nParams: int32,
paramLengths, paramFormats: ptr int32,
resultFormat: int32): int32{.cdecl, dynlib: dllName,
importc: "PQsendQueryPrepared".}
proc pqsetsinglerowmode*(conn: PPGconn): int32{.cdecl, dynlib: dllName,
importc: "PQsetSingleRowMode".}
proc pqgetResult*(conn: PPGconn): PPGresult{.cdecl, dynlib: dllName,
importc: "PQgetResult".}
proc pqisBusy*(conn: PPGconn): int32{.cdecl, dynlib: dllName,