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Fix hstore_plpython for Python 3.

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In commit d51924be8, I overlooked the need to provide linkage for
PLyUnicode_FromStringAndSize, because that's only used (and indeed
only exists) in Python 3 builds.

In light of the need to #if this item, rearrange the ordering of
the code related to each function pointer, so as not to need more
#if's than absolutely necessary.

Per buildfarm.
This commit is contained in:
Tom Lane 2016-10-04 09:38:43 -04:00
parent c86c2d9d57
commit 490ed1ebb9
1 changed files with 21 additions and 13 deletions
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34
contrib/hstore_plpython/hstore_plpython.c
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@ -11,20 +11,22 @@ extern void _PG_init(void);
/* Linkage to functions in plpython module */
typedef char *(*PLyObject_AsString_t) (PyObject *plrv);
static PLyObject_AsString_t PLyObject_AsString_p;
#if PY_MAJOR_VERSION >= 3
typedef PyObject *(*PLyUnicode_FromStringAndSize_t) (const char *s, Py_ssize_t size);
static PLyUnicode_FromStringAndSize_t PLyUnicode_FromStringAndSize_p;
#endif
/* Linkage to functions in hstore module */
typedef HStore *(*hstoreUpgrade_t) (Datum orig);
typedef int (*hstoreUniquePairs_t) (Pairs *a, int32 l, int32 *buflen);
typedef HStore *(*hstorePairs_t) (Pairs *pairs, int32 pcount, int32 buflen);
typedef size_t (*hstoreCheckKeyLen_t) (size_t len);
typedef size_t (*hstoreCheckValLen_t) (size_t len);
static hstoreUpgrade_t hstoreUpgrade_p;
typedef int (*hstoreUniquePairs_t) (Pairs *a, int32 l, int32 *buflen);
static hstoreUniquePairs_t hstoreUniquePairs_p;
typedef HStore *(*hstorePairs_t) (Pairs *pairs, int32 pcount, int32 buflen);
static hstorePairs_t hstorePairs_p;
typedef size_t (*hstoreCheckKeyLen_t) (size_t len);
static hstoreCheckKeyLen_t hstoreCheckKeyLen_p;
typedef size_t (*hstoreCheckValLen_t) (size_t len);
static hstoreCheckValLen_t hstoreCheckValLen_p;
@ -34,29 +36,34 @@ static hstoreCheckValLen_t hstoreCheckValLen_p;
void
_PG_init(void)
{
/* These asserts verify that typedefs above match original declarations */
/* Asserts verify that typedefs above match original declarations */
AssertVariableIsOfType(&PLyObject_AsString, PLyObject_AsString_t);
AssertVariableIsOfType(&hstoreUpgrade, hstoreUpgrade_t);
AssertVariableIsOfType(&hstoreUniquePairs, hstoreUniquePairs_t);
AssertVariableIsOfType(&hstorePairs, hstorePairs_t);
AssertVariableIsOfType(&hstoreCheckKeyLen, hstoreCheckKeyLen_t);
AssertVariableIsOfType(&hstoreCheckValLen, hstoreCheckValLen_t);
PLyObject_AsString_p = (PLyObject_AsString_t)
load_external_function("$libdir/" PLPYTHON_LIBNAME, "PLyObject_AsString",
true, NULL);
#if PY_MAJOR_VERSION >= 3
AssertVariableIsOfType(&PLyUnicode_FromStringAndSize, PLyUnicode_FromStringAndSize_t);
PLyUnicode_FromStringAndSize_p = (PLyUnicode_FromStringAndSize_t)
load_external_function("$libdir/" PLPYTHON_LIBNAME, "PLyUnicode_FromStringAndSize",
true, NULL);
#endif
AssertVariableIsOfType(&hstoreUpgrade, hstoreUpgrade_t);
hstoreUpgrade_p = (hstoreUpgrade_t)
load_external_function("$libdir/hstore", "hstoreUpgrade",
true, NULL);
AssertVariableIsOfType(&hstoreUniquePairs, hstoreUniquePairs_t);
hstoreUniquePairs_p = (hstoreUniquePairs_t)
load_external_function("$libdir/hstore", "hstoreUniquePairs",
true, NULL);
AssertVariableIsOfType(&hstorePairs, hstorePairs_t);
hstorePairs_p = (hstorePairs_t)
load_external_function("$libdir/hstore", "hstorePairs",
true, NULL);
AssertVariableIsOfType(&hstoreCheckKeyLen, hstoreCheckKeyLen_t);
hstoreCheckKeyLen_p = (hstoreCheckKeyLen_t)
load_external_function("$libdir/hstore", "hstoreCheckKeyLen",
true, NULL);
AssertVariableIsOfType(&hstoreCheckValLen, hstoreCheckValLen_t);
hstoreCheckValLen_p = (hstoreCheckValLen_t)
load_external_function("$libdir/hstore", "hstoreCheckValLen",
true, NULL);
@ -65,6 +72,7 @@ _PG_init(void)
/* These defines must be after the module init function */
#define PLyObject_AsString PLyObject_AsString_p
#define PLyUnicode_FromStringAndSize PLyUnicode_FromStringAndSize_p
#define hstoreUpgrade hstoreUpgrade_p
#define hstoreUniquePairs hstoreUniquePairs_p
#define hstorePairs hstorePairs_p