ArrayType* createArrayType(jsize nElems, size_t elemSize, Oid elemType, bool withNulls) { ArrayType* v; Size nBytes = elemSize * nElems; MemoryContext currCtx = Invocation_switchToUpperContext(); Size dataoffset; if(withNulls) { dataoffset = ARR_OVERHEAD_WITHNULLS(1, nElems); nBytes += dataoffset; } else { dataoffset = 0; /* marker for no null bitmap */ nBytes += ARR_OVERHEAD_NONULLS(1); } v = (ArrayType*)palloc0(nBytes); AssertVariableIsOfType(v->dataoffset, int32); v->dataoffset = (int32)dataoffset; MemoryContextSwitchTo(currCtx); SET_VARSIZE(v, nBytes); ARR_NDIM(v) = 1; ARR_ELEMTYPE(v) = elemType; *((int*)ARR_DIMS(v)) = nElems; *((int*)ARR_LBOUND(v)) = 1; return v; }
void _PG_output_plugin_init(OutputPluginCallbacks *cb) { AssertVariableIsOfType(&_PG_output_plugin_init, LogicalOutputPluginInit); cb->startup_cb = output_avro_startup; cb->begin_cb = output_avro_begin_txn; cb->change_cb = output_avro_change; cb->commit_cb = output_avro_commit_txn; cb->shutdown_cb = output_avro_shutdown; }
/* * Module initialize function: fetch function pointers for cross-module calls. */ void _PG_init(void) { /* Asserts verify that typedefs above match original declarations */ AssertVariableIsOfType(&PLyObject_AsString, PLyObject_AsString_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("$libdir/hstore", "hstoreCheckValLen", true, NULL); }
/* * Module initialize function: fetch function pointers for cross-module calls. */ void _PG_init(void) { /* Asserts verify that typedefs above match original declarations */ AssertVariableIsOfType(&PLyObject_AsString, PLyObject_AsString_t); PLyObject_AsString_p = (PLyObject_AsString_t) load_external_function("$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("$libdir/" PLPYTHON_LIBNAME, "PLyUnicode_FromStringAndSize", true, NULL); #endif AssertVariableIsOfType(&PLy_elog_impl, PLy_elog_impl_t); PLy_elog_impl_p = (PLy_elog_impl_t) load_external_function("$libdir/" PLPYTHON_LIBNAME, "PLy_elog_impl", true, NULL); }
/* * Specify output plugin callbacks */ void _PG_output_plugin_init(OutputPluginCallbacks *cb) { AssertVariableIsOfType(&_PG_output_plugin_init, LogicalOutputPluginInit); cb->startup_cb = pgoutput_startup; cb->begin_cb = pgoutput_begin_txn; cb->change_cb = pgoutput_change; cb->truncate_cb = pgoutput_truncate; cb->commit_cb = pgoutput_commit_txn; cb->filter_by_origin_cb = pgoutput_origin_filter; cb->shutdown_cb = pgoutput_shutdown; }