99 lines
3.8 KiB
C
99 lines
3.8 KiB
C
//-----------------------------------------------------------------------------
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// Transforms.c
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// Provides methods for transforming Oracle data to Python objects or for
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// setting Oracle data from Python objects.
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//-----------------------------------------------------------------------------
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static udt_VariableType vt_Date;
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//-----------------------------------------------------------------------------
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// OracleDateToPythonDate()
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// Return a Python date object given an Oracle date.
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//-----------------------------------------------------------------------------
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static PyObject *OracleDateToPythonDate(
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udt_VariableType *varType, // variable type
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OCIDate* value) // value to convert
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{
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ub1 hour, minute, second, month, day;
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sb2 year;
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OCIDateGetDate(value, &year, &month, &day);
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OCIDateGetTime(value, &hour, &minute, &second);
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if (varType == &vt_Date)
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return PyDate_FromDate(year, month, day);
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return PyDateTime_FromDateAndTime(year, month, day, hour, minute, second,
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0);
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}
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//-----------------------------------------------------------------------------
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// OracleIntervalToPythonDelta()
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// Return a Python delta object given an Oracle interval.
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//-----------------------------------------------------------------------------
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static PyObject *OracleIntervalToPythonDelta(
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udt_Environment *environment, // environment
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OCIInterval *value) // value to convert
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{
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sb4 days, hours, minutes, seconds, fseconds;
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sword status;
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status = OCIIntervalGetDaySecond(environment->handle,
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environment->errorHandle, &days, &hours, &minutes, &seconds,
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&fseconds, value);
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if (Environment_CheckForError(environment, status,
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"OracleIntervalToPythonDelta()") < 0)
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return NULL;
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seconds = hours * 60 * 60 + minutes * 60 + seconds;
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return PyDelta_FromDSU(days, seconds, fseconds / 1000);
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}
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//-----------------------------------------------------------------------------
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// OracleTimestampToPythonDate()
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// Return a Python date object given an Oracle timestamp.
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//-----------------------------------------------------------------------------
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static PyObject *OracleTimestampToPythonDate(
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udt_Environment *environment, // environment
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OCIDateTime* value) // value to convert
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{
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ub1 hour, minute, second, month, day;
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sword status;
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ub4 fsecond;
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sb2 year;
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status = OCIDateTimeGetDate(environment->handle, environment->errorHandle,
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value, &year, &month, &day);
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if (Environment_CheckForError(environment, status,
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"OracleTimestampToPythonDate(): date portion") < 0)
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return NULL;
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status = OCIDateTimeGetTime(environment->handle, environment->errorHandle,
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value, &hour, &minute, &second, &fsecond);
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if (Environment_CheckForError(environment, status,
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"OracleTimestampToPythonDate(): time portion") < 0)
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return NULL;
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return PyDateTime_FromDateAndTime(year, month, day, hour, minute, second,
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fsecond / 1000);
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}
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//-----------------------------------------------------------------------------
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// OracleNumberToPythonFloat()
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// Return a Python date object given an Oracle date.
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//-----------------------------------------------------------------------------
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static PyObject *OracleNumberToPythonFloat(
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udt_Environment *environment, // environment
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OCINumber* value) // value to convert
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{
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double doubleValue;
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sword status;
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status = OCINumberToReal(environment->errorHandle,
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value, sizeof(double), (dvoid*) &doubleValue);
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if (Environment_CheckForError(environment, status,
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"OracleNumberToPythonFloat()") < 0)
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return NULL;
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return PyFloat_FromDouble(doubleValue);
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}
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