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Improve comment spelling and style in llvmjit_deform.c. 

Author: Justin Pryzby
Discussion:
    https://postgr.es/m/20190408141828.GE10080@telsasoft.com
    https://postgr.es/m/20181127184133.GM10913@telsasoft.com
This commit is contained in:
Andres Freund 2019-04-30 16:13:54 -07:00
parent 3a48005b00
commit a0b5bb6e02
1 changed files with 9 additions and 9 deletions
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18
src/backend/jit/llvm/llvmjit_deform.c
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@ -386,7 +386,7 @@ slot_compile_deform(LLVMJitContext *context, TupleDesc desc,
/*
* If this is the first attribute, slot->tts_nvalid was 0. Therefore
* reset offset to 0 to, it be from a previous execution.
* also reset offset to 0, it may be from a previous execution.
*/
if (attnum == 0)
{
@ -416,7 +416,7 @@ slot_compile_deform(LLVMJitContext *context, TupleDesc desc,
/*
* Check for nulls if necessary. No need to take missing attributes
* into account, because in case they're present the heaptuple's natts
* into account, because if they're present the heaptuple's natts
* would have indicated that a slot_getmissingattrs() is needed.
*/
if (!att->attnotnull)
@ -503,13 +503,13 @@ slot_compile_deform(LLVMJitContext *context, TupleDesc desc,
(known_alignment < 0 || known_alignment != TYPEALIGN(alignto, known_alignment)))
{
/*
* When accessing a varlena field we have to "peek" to see if we
* When accessing a varlena field, we have to "peek" to see if we
* are looking at a pad byte or the first byte of a 1-byte-header
* datum. A zero byte must be either a pad byte, or the first
* byte of a correctly aligned 4-byte length word; in either case
* byte of a correctly aligned 4-byte length word; in either case,
* we can align safely. A non-zero byte must be either a 1-byte
* length word, or the first byte of a correctly aligned 4-byte
* length word; in either case we need not align.
* length word; in either case, we need not align.
*/
if (att->attlen == -1)
{
@ -603,8 +603,8 @@ slot_compile_deform(LLVMJitContext *context, TupleDesc desc,
else if (att->attnotnull && attguaranteedalign && known_alignment >= 0)
{
/*
* If the offset to the column was previously known a NOT NULL &
* fixed width column guarantees that alignment is just the
* If the offset to the column was previously known, a NOT NULL &
* fixed-width column guarantees that alignment is just the
* previous alignment plus column width.
*/
Assert(att->attlen > 0);
@ -645,8 +645,8 @@ slot_compile_deform(LLVMJitContext *context, TupleDesc desc,
LLVMBuildGEP(b, v_tts_nulls, &l_attno, 1, ""));
/*
* Store datum. For byval datums copy the value, extend to Datum's
* width, and store. For byref types, store pointer to data.
* Store datum. For byval: datums copy the value, extend to Datum's
* width, and store. For byref types: store pointer to data.
*/
if (att->attbyval)
{