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Merge pull request #489 from VPanteleev-S7/fast-to-lower 

[RFC] arsd.postgres: Add fast path for field name conversion
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Adam D. Ruppe 2025-03-23 16:39:53 -04:00 committed by GitHub
parent 4fb3ea691d 7a4cb05709
commit e18822c432
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1 changed files with 9 additions and 1 deletions
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postgres.d
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@ -179,13 +179,21 @@ class PostgreSql : Database {
PGconn* conn; PGconn* conn;
} }
private string toLowerFast(string s) {
import std.ascii : isUpper;
foreach (c; s)
if (c >= 0x80 || isUpper(c))
return toLower(s);
return s;
}
/// ///
class PostgresResult : ResultSet { class PostgresResult : ResultSet {
// name for associative array to result index // name for associative array to result index
int getFieldIndex(string field) { int getFieldIndex(string field) {
if(mapping is null) if(mapping is null)
makeFieldMapping(); makeFieldMapping();
field = field.toLower; field = field.toLowerFast;
if(field in mapping) if(field in mapping)
return mapping[field]; return mapping[field];
else throw new Exception("no mapping " ~ field); else throw new Exception("no mapping " ~ field);