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DateTimeVar.c
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129 lines (114 loc) · 5.28 KB
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//-----------------------------------------------------------------------------
// Copyright 2016, 2017, Oracle and/or its affiliates. All rights reserved.
//
// Portions Copyright 2007-2015, Anthony Tuininga. All rights reserved.
//
// Portions Copyright 2001-2007, Computronix (Canada) Ltd., Edmonton, Alberta,
// Canada. All rights reserved.
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// DateTimeVar.c
// Defines the routines for handling date (time) variables.
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// DateTime type
//-----------------------------------------------------------------------------
typedef struct {
Variable_HEAD
OCIDate *data;
} udt_DateTimeVar;
//-----------------------------------------------------------------------------
// Declaration of date/time variable functions.
//-----------------------------------------------------------------------------
static int DateTimeVar_SetValue(udt_DateTimeVar*, unsigned, PyObject*);
static PyObject *DateTimeVar_GetValue(udt_DateTimeVar*, unsigned);
//-----------------------------------------------------------------------------
// Python type declarations
//-----------------------------------------------------------------------------
static PyTypeObject g_DateTimeVarType = {
PyVarObject_HEAD_INIT(NULL, 0)
"cx_Oracle.DATETIME", // tp_name
sizeof(udt_DateTimeVar), // tp_basicsize
0, // tp_itemsize
0, // tp_dealloc
0, // tp_print
0, // tp_getattr
0, // tp_setattr
0, // tp_compare
0, // tp_repr
0, // tp_as_number
0, // tp_as_sequence
0, // tp_as_mapping
0, // tp_hash
0, // tp_call
0, // tp_str
0, // tp_getattro
0, // tp_setattro
0, // tp_as_buffer
Py_TPFLAGS_DEFAULT, // tp_flags
0 // tp_doc
};
//-----------------------------------------------------------------------------
// variable type declarations
//-----------------------------------------------------------------------------
static udt_VariableType vt_DateTime = {
(InitializeProc) NULL,
(FinalizeProc) NULL,
(PreDefineProc) NULL,
(PostDefineProc) NULL,
(PostBindProc) NULL,
(PreFetchProc) NULL,
(IsNullProc) NULL,
(SetValueProc) DateTimeVar_SetValue,
(GetValueProc) DateTimeVar_GetValue,
(GetBufferSizeProc) NULL,
&g_DateTimeVarType, // Python type
SQLT_ODT, // Oracle type
SQLCS_IMPLICIT, // charset form
sizeof(OCIDate), // element length (default)
0, // is character data
0, // is variable length
1, // can be copied
1 // can be in array
};
static udt_VariableType vt_Date = {
(InitializeProc) NULL,
(FinalizeProc) NULL,
(PreDefineProc) NULL,
(PostDefineProc) NULL,
(PostBindProc) NULL,
(PreFetchProc) NULL,
(IsNullProc) NULL,
(SetValueProc) DateTimeVar_SetValue,
(GetValueProc) DateTimeVar_GetValue,
(GetBufferSizeProc) NULL,
&g_DateTimeVarType, // Python type
SQLT_ODT, // Oracle type
SQLCS_IMPLICIT, // charset form
sizeof(OCIDate), // element length (default)
0, // is character data
0, // is variable length
1, // can be copied
1 // can be in array
};
//-----------------------------------------------------------------------------
// DateTimeVar_SetValue()
// Set the value of the variable.
//-----------------------------------------------------------------------------
static int DateTimeVar_SetValue(
udt_DateTimeVar *var, // variable to set value for
unsigned pos, // array position to set
PyObject *value) // value to set
{
return PythonDateToOracleDate(value, &var->data[pos]);
}
//-----------------------------------------------------------------------------
// DateTimeVar_GetValue()
// Returns the value stored at the given array position.
//-----------------------------------------------------------------------------
static PyObject *DateTimeVar_GetValue(
udt_DateTimeVar *var, // variable to determine value for
unsigned pos) // array position
{
return OracleDateToPythonDate(var->type, &var->data[pos]);
}