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[pull] master from postgres:master #519

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Merged
pull merged 1 commit into from
Feb 20, 2026
Merged

[pull] master from postgres:master #519

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18 changes: 14 additions & 4 deletions src/backend/commands/copyfromparse.c
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Original file line number Diff line number Diff line change
Expand Up @@ -141,7 +141,8 @@ static const char BinarySignature[11] = "PGCOPY\n\377\r\n\0";

/* non-export function prototypes */
static bool CopyReadLine(CopyFromState cstate, bool is_csv);
static bool CopyReadLineText(CopyFromState cstate, bool is_csv);
static pg_attribute_always_inline bool CopyReadLineText(CopyFromState cstate,
bool is_csv);
static int CopyReadAttributesText(CopyFromState cstate);
static int CopyReadAttributesCSV(CopyFromState cstate);
static Datum CopyReadBinaryAttribute(CopyFromState cstate, FmgrInfo *flinfo,
Expand Down Expand Up @@ -1173,8 +1174,17 @@ CopyReadLine(CopyFromState cstate, bool is_csv)
resetStringInfo(&cstate->line_buf);
cstate->line_buf_valid = false;

/* Parse data and transfer into line_buf */
result = CopyReadLineText(cstate, is_csv);
/*
* Parse data and transfer into line_buf.
*
* Because this is performance critical, we inline CopyReadLineText() and
* pass the boolean parameters as constants to allow the compiler to emit
* specialized code with fewer branches.
*/
if (is_csv)
result = CopyReadLineText(cstate, true);
else
result = CopyReadLineText(cstate, false);

if (result)
{
Expand Down Expand Up @@ -1241,7 +1251,7 @@ CopyReadLine(CopyFromState cstate, bool is_csv)
/*
* CopyReadLineText - inner loop of CopyReadLine for text mode
*/
static bool
static pg_attribute_always_inline bool
CopyReadLineText(CopyFromState cstate, bool is_csv)
{
char *copy_input_buf;
Expand Down