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| author | Bruce Momjian <bruce@momjian.us> | 2002-09-04 20:31:48 +0000 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2002-09-04 20:31:48 +0000 |
| commit | e50f52a074bdf0d6a9dc384840e641c4c0b0bb1a (patch) | |
| tree | ab73e8c8ec94a6ddc774c1f9c49b87aa6b93fd13 /src/backend/executor/nodeHash.c | |
| parent | c91ceec21d357d6d857163d897ac75a79c883dee (diff) | |
| download | postgresql-e50f52a074bdf0d6a9dc384840e641c4c0b0bb1a.tar.gz postgresql-e50f52a074bdf0d6a9dc384840e641c4c0b0bb1a.zip | |
pgindent run.
Diffstat (limited to 'src/backend/executor/nodeHash.c')
| -rw-r--r-- | src/backend/executor/nodeHash.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/src/backend/executor/nodeHash.c b/src/backend/executor/nodeHash.c index 466452df8e0..8bb5bde84c0 100644 --- a/src/backend/executor/nodeHash.c +++ b/src/backend/executor/nodeHash.c @@ -7,7 +7,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * - * $Id: nodeHash.c,v 1.65 2002/09/02 02:47:02 momjian Exp $ + * $Id: nodeHash.c,v 1.66 2002/09/04 20:31:18 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -31,7 +31,7 @@ #include "utils/lsyscache.h" -static uint32 hashFunc(Datum key, int typLen, bool byVal); +static uint32 hashFunc(Datum key, int typLen, bool byVal); /* ---------------------------------------------------------------- * ExecHash @@ -639,11 +639,11 @@ hashFunc(Datum key, int typLen, bool byVal) { /* * If it's a by-value data type, just hash the whole Datum value. - * This assumes that datatypes narrower than Datum are consistently - * padded (either zero-extended or sign-extended, but not random - * bits) to fill Datum; see the XXXGetDatum macros in postgres.h. - * NOTE: it would not work to do hash_any(&key, len) since this - * would get the wrong bytes on a big-endian machine. + * This assumes that datatypes narrower than Datum are + * consistently padded (either zero-extended or sign-extended, but + * not random bits) to fill Datum; see the XXXGetDatum macros in + * postgres.h. NOTE: it would not work to do hash_any(&key, len) + * since this would get the wrong bytes on a big-endian machine. */ k = (unsigned char *) &key; typLen = sizeof(Datum); @@ -658,14 +658,14 @@ hashFunc(Datum key, int typLen, bool byVal) else if (typLen == -1) { /* - * It's a varlena type, so 'key' points to a - * "struct varlena". NOTE: VARSIZE returns the - * "real" data length plus the sizeof the "vl_len" attribute of - * varlena (the length information). 'key' points to the beginning - * of the varlena struct, so we have to use "VARDATA" to find the - * beginning of the "real" data. Also, we have to be careful to - * detoast the datum if it's toasted. (We don't worry about - * freeing the detoasted copy; that happens for free when the + * It's a varlena type, so 'key' points to a "struct varlena". + * NOTE: VARSIZE returns the "real" data length plus the + * sizeof the "vl_len" attribute of varlena (the length + * information). 'key' points to the beginning of the varlena + * struct, so we have to use "VARDATA" to find the beginning + * of the "real" data. Also, we have to be careful to detoast + * the datum if it's toasted. (We don't worry about freeing + * the detoasted copy; that happens for free when the * per-tuple memory context is reset in ExecHashGetBucket.) */ struct varlena *vkey = PG_DETOAST_DATUM(key); |