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Created Pgsql::Transaction class for handling of transactions. It auto rollsback if no commit has been done.

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Also moved some code out of the connection files to their own files.
This commit is contained in:
eelke 2018-12-09 20:24:11 +01:00
parent 255b2ec970
commit e32c82ac6f
12 changed files with 394 additions and 130 deletions
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40
pgsql/Pgsql_Result.cpp
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@ -2,46 +2,6 @@
using namespace Pgsql;
namespace {
void set_stdstring_with_charptr(std::string &s, const char *p)
{
if (p) {
s = p;
}
else {
s.clear();
}
}
} // einde unnamed namespace
ErrorDetails ErrorDetails::createErrorDetailsFromPGresult(const PGresult *result)
{
ErrorDetails r;
set_stdstring_with_charptr(r.errorMessage, PQresultErrorMessage(result));
set_stdstring_with_charptr(r.state, PQresultErrorField(result, PG_DIAG_SQLSTATE)); ///< PG_DIAG_SQLSTATE Error code as listed in https://www.postgresql.org/docs/9.5/static/errcodes-appendix.html
set_stdstring_with_charptr(r.severity, PQresultErrorField(result, PG_DIAG_SEVERITY));
set_stdstring_with_charptr(r.messagePrimary, PQresultErrorField(result, PG_DIAG_MESSAGE_PRIMARY));
set_stdstring_with_charptr(r.messageDetail, PQresultErrorField(result, PG_DIAG_MESSAGE_DETAIL));
set_stdstring_with_charptr(r.messageHint, PQresultErrorField(result, PG_DIAG_MESSAGE_HINT));
const char * p = PQresultErrorField(result, PG_DIAG_STATEMENT_POSITION);
r.statementPosition = p != nullptr ? atoi(p) : -1; ///< First character is one, measured in characters not bytes!
p = PQresultErrorField(result, PG_DIAG_INTERNAL_POSITION);
r.internalPosition = p != nullptr ? atoi(p) : -1;
set_stdstring_with_charptr(r.internalQuery, PQresultErrorField(result, PG_DIAG_INTERNAL_QUERY));
set_stdstring_with_charptr(r.context, PQresultErrorField(result, PG_DIAG_CONTEXT));
set_stdstring_with_charptr(r.schemaName, PQresultErrorField(result, PG_DIAG_SCHEMA_NAME));
set_stdstring_with_charptr(r.tableName, PQresultErrorField(result, PG_DIAG_TABLE_NAME));
set_stdstring_with_charptr(r.columnName, PQresultErrorField(result, PG_DIAG_COLUMN_NAME));
set_stdstring_with_charptr(r.datatypeName, PQresultErrorField(result, PG_DIAG_DATATYPE_NAME));
set_stdstring_with_charptr(r.constraintName, PQresultErrorField(result, PG_DIAG_CONSTRAINT_NAME));
set_stdstring_with_charptr(r.sourceFile, PQresultErrorField(result, PG_DIAG_SOURCE_FILE));
set_stdstring_with_charptr(r.sourceLine, PQresultErrorField(result, PG_DIAG_SOURCE_LINE));
set_stdstring_with_charptr(r.sourceFunction, PQresultErrorField(result, PG_DIAG_SOURCE_FUNCTION));
return r;
}
Result::Result(PGresult *res)
: result(res)