内部函数（一）

MogDB中下列函数使用了内部数据类型，用户无法直接调用，在此章节列出。

• 选择率计算函数

  areajoinsel	areasel	arraycontjoinsel	arraycontsel	contjoinsel	contsel	eqjoinsel
  eqsel	iclikejoinsel	iclikesel	icnlikejoinsel	icnlikesel	icregexeqjoinsel	icregexeqsel
  icregexnejoinsel	icregexnesel	likejoinsel	likesel	neqjoinsel	neqsel	nlikejoinsel
  nlikesel	positionjoinsel	positionsel	regexeqjoinsel	regexeqsel	regexnejoinsel	regexnesel
  scalargtjoinsel	scalargtsel	scalarltjoinsel	scalarltsel	tsmatchjoinsel	tsmatchsel	-

• 统计信息收集函数

  array_typanalyze	range_typanalyze	ts_typanalyze
  local_rto_stat

• 排序内部功能函数

  bpchar_sortsupport	bytea_sortsupport	date_sortsupport	numeric_sortsupport	timestamp_sortsupport

• 全文检索内部功能函数

  dispell_init	dispell_lexize	dsimple_init	dsimple_lexize	dsnowball_init	dsnowball_lexize	dsynonym_init
  dsynonym_lexize	gtsquery_compress	gtsquery_consistent	gtsquery_decompress	gtsquery_penalty	gtsquery_picksplit	gtsquery_same
  gtsquery_union	ngram_end	ngram_lextype	ngram_start	pound_end	pound_lextype	pound_start
  prsd_end	prsd_headline	prsd_lextype	prsd_start	thesaurus_init	thesaurus_lexize	zhprs_end
  zhprs_getlexeme	zhprs_lextype	zhprs_start	-	-	-	-

• 内部类型处理函数

  abstimerecv	euc_jis_2004_to_utf8	int2recv	line_recv	oidvectorrecv_extend	tidrecv	utf8_to_koi8u
  anyarray_recv	euc_jp_to_mic	int2vectorrecv	lseg_recv	path_recv	time_recv	utf8_to_shift_jis_2004
  array_recv	euc_jp_to_sjis	int4recv	macaddr_recv	pg_node_tree_recv	time_transform	utf8_to_sjis
  ascii_to_mic	euc_jp_to_utf8	int8recv	mic_to_ascii	point_recv	timestamp_recv	utf8_to_uhc
  ascii_to_utf8	euc_kr_to_mic	internal_out	mic_to_big5	poly_recv	timestamp_transform	utf8_to_win
  big5_to_euc_tw	euc_kr_to_utf8	interval_recv	mic_to_euc_cn	pound_nexttoken	timestamptz_recv	uuid_recv
  big5_to_mic	euc_tw_to_big5	interval_transform	mic_to_euc_jp	prsd_nexttoken	timetz_recv	varbit_recv
  big5_to_utf8	euc_tw_to_mic	iso_to_koi8r	mic_to_euc_kr	range_recv	tintervalrecv	varbit_transform
  bit_recv	euc_tw_to_utf8	iso_to_mic	mic_to_euc_tw	rawrecv	tsqueryrecv	varchar_transform
  boolrecv	float4recv	iso_to_win1251	mic_to_iso	record_recv	tsvectorrecv	varcharrecv
  box_recv	float8recv	iso_to_win866	mic_to_koi8r	regclassrecv	txid_snapshot_recv	void_recv
  bpcharrecv	gb18030_to_utf8	iso8859_1_to_utf8	mic_to_latin1	regconfigrecv	uhc_to_utf8	win_to_utf8
  btoidsortsupport	gbk_to_utf8	iso8859_to_utf8	mic_to_latin2	regdictionaryrecv	unknownrecv	win1250_to_latin2
  bytearecv	gin_extract_tsvector	johab_to_utf8	mic_to_latin3	regoperatorrecv	utf8_to_ascii	win1250_to_mic
  byteawithoutorderwithequalcolrecv	gtsvector_compress	json_recv	mic_to_latin4	regoperrecv	utf8_to_big5	win1251_to_iso
  cash_recv	gtsvector_consistent	koi8r_to_iso	mic_to_sjis	regprocedurerecv	utf8_to_euc_cn	win1251_to_koi8r
  charrecv	gtsvector_decompress	koi8r_to_mic	mic_to_win1250	regprocrecv	utf8_to_euc_jis_2004	win1251_to_mic
  cidr_recv	gtsvector_penalty	koi8r_to_utf8	mic_to_win1251	regtyperecv	utf8_to_euc_jp	win1251_to_win866
  cidrecv	gtsvector_picksplit	koi8r_to_win1251	mic_to_win866	reltimerecv	utf8_to_euc_kr	win866_to_iso
  circle_recv	gtsvector_same	koi8r_to_win866	namerecv	shift_jis_2004_to_euc_jis_2004	utf8_to_euc_tw	win866_to_koi8r
  cstring_recv	gtsvector_union	koi8u_to_utf8	ngram_nexttoken	shift_jis_2004_to_utf8	utf8_to_gb18030	win866_to_mic
  date_recv	hll_recv	latin1_to_mic	numeric_recv	sjis_to_euc_jp	utf8_to_gbk	win866_to_win1251
  domain_recv	hll_trans_recv	latin2_to_mic	numeric_transform	sjis_to_mic	utf8_to_iso8859	xidrecv
  euc_cn_to_mic	hstore_recv	latin2_to_win1250	nvarchar2recv	sjis_to_utf8	utf8_to_iso8859_1	xidrecv4
  euc_cn_to_utf8	inet_recv	latin3_to_mic	oidrecv	smalldatetime_recv	utf8_to_johab	xml_recv
  euc_jis_2004_to_shift_jis_2004	int1recv	latin4_to_mic	oidvectorrecv	textrecv	utf8_to_koi8r	cstore_tid_out
  i16toi1	int16	int16_bool	int16eq	int16div	int16ge	int16gt
  int16in	int16le	int16lt	int16mi	int16mul	int16ne	int16out
  int16pl	int16recv	int16send	numeric_bool	int2vectorin_extend	int2vectorout_extend	int2vectorrecv_extend
  int2vectorsend_extend	jsonb_in	jsonb_out	jsonb_recv	jsonb_send	complex_array_in	bool_int1
  bool_int2	bool_int8	bpchar_float4	bpchar_float8	bpchar_int4	bpchar_int8	bpchar_numeric
  bpchar_timestamp	f4toi1	f8toi1	float4_bpchar	float4_text	float4_varchar	float8_bpchar
  float8_text	float8_varchar	i1tof4	i1tof8	i1toi2	i1toi4	i1toi8
  i2toi1	i4toi1	i8toi1	int1_avg_accum	int1_bool	int1_bpchar	int1_numeric
  int1_nvarchar2	int1_text	int1_varchar	int1abs	int1and	int1cmp	int1div
  int1eq	int1ge	int1gt	int1in	int1inc	int1larger	int1le
  int1lt	int1mi	int1mod	int1mul	int1ne	int1not	int1or
  int1out	int1pl	int1shl	int1shr	int1smaller	int1um	int1up
  int1xor	int2_bool	int2_bpchar	int2_text	int2_varchar	int4_bpchar	int4_text
  int4_varchar	int8_bool	int8_bpchar	int8_text	int8_varchar	job_submit	numeric_bpchar
  numeric_int1	numeric_text	numeric_varchar	nvarchar2in	nvarchar2out	nvarchar2send	oidvectorin_extend
  oidvectorout_extend	oidvectorsend_extend	rawcmp	raweq	rawge	rawgt	rawin
  rawle	rawlike	rawlt	rawne	rawnlike	rawout	rawsend
  text_float4	text_float8	text_int1	text_int2	text_int4	text_int8	text_numeric
  timestamp_text	timestamp_varchar	varchar_float4	varchar_float8	varchar_int4	varchar_int8	varchar_numeric
  xidout4	xidsend4	calculate_quantile_of	calculate_value_at	large_seq_rollback_ntree	large_seq_upgrade_ntree	-