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Commitbca0f60

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Clarify documentation of ceil/ceiling/floor functions.
Document these as "nearest integer >= argument" and "nearest integer <=argument", which will hopefully be less confusing than the old formulation.New wording is from Matlab via Dean Rasheed.I changed the pg_description entries as well as the SGML docs. In theback branches, this will only affect installations initdb'd in the future,but it should be harmless otherwise.Discussion: <CAEZATCW3yzJo-NMSiQs5jXNFbTsCEftZS-Og8=FvFdiU+kYuSA@mail.gmail.com>
1 parentb5dd25b commitbca0f60

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2 files changed

+9
-9
lines changed

2 files changed

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‎doc/src/sgml/func.sgml‎

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -659,7 +659,7 @@
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<literal><function>ceil(<type>dp</type> or <type>numeric</type>)</function></literal>
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</entry>
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<entry>(same as input)</entry>
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<entry>smallest integernot lessthan argument</entry>
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<entry>nearest integergreaterthan or equal to argument</entry>
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<entry><literal>ceil(-42.8)</literal></entry>
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<entry><literal>-42</literal></entry>
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</row>
@@ -672,7 +672,7 @@
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<literal><function>ceiling(<type>dp</type> or <type>numeric</type>)</function></literal>
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</entry>
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<entry>(same as input)</entry>
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<entry>smallest integernot lessthan argument (alias for <function>ceil</function>)</entry>
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<entry>nearest integergreaterthanor equal toargument (same as <function>ceil</function>)</entry>
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<entry><literal>ceiling(-95.3)</literal></entry>
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<entry><literal>-95</literal></entry>
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</row>
@@ -725,7 +725,7 @@
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<literal><function>floor(<type>dp</type> or <type>numeric</type>)</function></literal>
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</entry>
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<entry>(same as input)</entry>
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<entry>largest integernot greaterthan argument</entry>
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<entry>nearest integerlessthan or equal to argument</entry>
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<entry><literal>floor(-42.8)</literal></entry>
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<entry><literal>-43</literal></entry>
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</row>

‎src/include/catalog/pg_proc.h‎

Lines changed: 6 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -396,11 +396,11 @@ DESCR("round to nearest integer");
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DATA(insertOID=229 (dtruncPGNSPPGUID121000fffftfi10701"701"_null__null__null__null_dtrunc_null__null__null_ ));
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DESCR("truncate to integer");
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DATA(insertOID=2308 (ceilPGNSPPGUID121000fffftfi10701"701"_null__null__null__null_dceil_null__null__null_ ));
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DESCR("smallest integer >= value");
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DESCR("nearest integer >= value");
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DATA(insertOID=2320 (ceilingPGNSPPGUID121000fffftfi10701"701"_null__null__null__null_dceil_null__null__null_ ));
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DESCR("smallest integer >= value");
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DESCR("nearest integer >= value");
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DATA(insertOID=2309 (floorPGNSPPGUID121000fffftfi10701"701"_null__null__null__null_dfloor_null__null__null_ ));
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DESCR("largest integer <= value");
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DESCR("nearest integer <= value");
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DATA(insertOID=2310 (signPGNSPPGUID121000fffftfi10701"701"_null__null__null__null_dsign_null__null__null_ ));
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DESCR("sign of value");
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DATA(insertOID=230 (dsqrtPGNSPPGUID121000fffftfi10701"701"_null__null__null__null_dsqrt_null__null__null_ ));
@@ -2193,11 +2193,11 @@ DESCR("value truncated to 'scale'");
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DATA(insertOID=1710 (truncPGNSPPGUID141000fffftfi101700"1700"_null__null__null__null_"select pg_catalog.trunc($1,0)"_null__null__null_ ));
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DESCR("value truncated to 'scale' of zero");
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DATA(insertOID=1711 (ceilPGNSPPGUID121000fffftfi101700"1700"_null__null__null__null_numeric_ceil_null__null__null_ ));
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DESCR("smallest integer >= value");
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DESCR("nearest integer >= value");
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DATA(insertOID=2167 (ceilingPGNSPPGUID121000fffftfi101700"1700"_null__null__null__null_numeric_ceil_null__null__null_ ));
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DESCR("smallest integer >= value");
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DESCR("nearest integer >= value");
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DATA(insertOID=1712 (floorPGNSPPGUID121000fffftfi101700"1700"_null__null__null__null_numeric_floor_null__null__null_ ));
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DESCR("largest integer <= value");
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DESCR("nearest integer <= value");
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DATA(insertOID=1718 (numeric_eqPGNSPPGUID121000fffftfi2016"1700 1700"_null__null__null__null_numeric_eq_null__null__null_ ));
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DATA(insertOID=1719 (numeric_nePGNSPPGUID121000fffftfi2016"1700 1700"_null__null__null__null_numeric_ne_null__null__null_ ));
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DATA(insertOID=1720 (numeric_gtPGNSPPGUID121000fffftfi2016"1700 1700"_null__null__null__null_numeric_gt_null__null__null_ ));

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