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Commitd16f8c8

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Mark default_transaction_read_only as GUC_REPORT.
This allows clients to find out the setting at connection time withouthaving to expend a query round trip to do so; which is helpful whentrying to identify read/write servers. (One must also look atin_hot_standby, but that's already GUC_REPORT, cfbf8a662.)Modifying libpq to make use of this will come soon, but I felt itcleaner to push the server change separately.Haribabu Kommi, Greg Nancarrow, Vignesh C; reviewed at various timesby Laurenz Albe, Takayuki Tsunakawa, Peter Smith.Discussion:https://postgr.es/m/CAF3+xM+8-ztOkaV9gHiJ3wfgENTq97QcjXQt+rbFQ6F7oNzt9A@mail.gmail.com
1 parent75dbfe4 commitd16f8c8

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3 files changed

+8
-3
lines changed

3 files changed

+8
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lines changed

‎doc/src/sgml/libpq.sgml

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -2191,6 +2191,7 @@ const char *PQparameterStatus(const PGconn *conn, const char *paramName);
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<varname>server_encoding</varname>,
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<varname>client_encoding</varname>,
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<varname>application_name</varname>,
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<varname>default_transaction_read_only</varname>,
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<varname>in_hot_standby</varname>,
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<varname>is_superuser</varname>,
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<varname>session_authorization</varname>,
@@ -2206,7 +2207,8 @@ const char *PQparameterStatus(const PGconn *conn, const char *paramName);
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<varname>IntervalStyle</varname> was not reported by releases before 8.4;
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<varname>application_name</varname> was not reported by releases before
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9.0;
2209-
<varname>in_hot_standby</varname> was not reported by releases before
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<varname>default_transaction_read_only</varname> and
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<varname>in_hot_standby</varname> were not reported by releases before
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14.)
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Note that
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<varname>server_version</varname>,

‎doc/src/sgml/protocol.sgml

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1278,6 +1278,7 @@ SELCT 1/0;<!-- this typo is intentional -->
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<varname>server_encoding</varname>,
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<varname>client_encoding</varname>,
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<varname>application_name</varname>,
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<varname>default_transaction_read_only</varname>,
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<varname>in_hot_standby</varname>,
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<varname>is_superuser</varname>,
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<varname>session_authorization</varname>,
@@ -1293,7 +1294,8 @@ SELCT 1/0;<!-- this typo is intentional -->
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<varname>IntervalStyle</varname> was not reported by releases before 8.4;
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<varname>application_name</varname> was not reported by releases before
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9.0;
1296-
<varname>in_hot_standby</varname> was not reported by releases before
1297+
<varname>default_transaction_read_only</varname> and
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<varname>in_hot_standby</varname> were not reported by releases before
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14.)
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Note that
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<varname>server_version</varname>,

‎src/backend/utils/misc/guc.c

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1619,7 +1619,8 @@ static struct config_bool ConfigureNamesBool[] =
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{
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{"default_transaction_read_only",PGC_USERSET,CLIENT_CONN_STATEMENT,
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gettext_noop("Sets the default read-only status of new transactions."),
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NULL
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NULL,
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GUC_REPORT
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},
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&DefaultXactReadOnly,
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false,

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