patch 4.0

2022-10-24 10:34:53 +08:00
parent 4ad6e00ec3
commit 93a1074b0c
10533 changed files with 2588271 additions and 2299373 deletions
--- a/src/sql/ob_sql_character_set.cpp
+++ b/src/sql/ob_sql_character_set.cpp
@ -0,0 +1,165 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
+#include "sql/ob_sql_character_set.h"
+#include <strings.h>
+#include <stdio.h>
+#include "share/ob_define.h"
+namespace oceanbase
+{
+namespace sql
+{
+
+typedef struct CharacterSet
+{
+  const char *name_;
+  int32_t number_;
+} ObCharacterSet;
+
+typedef struct CharacterSetR
+{
+  int32_t number_;
+  const char *name_;
+} ObCharacterSetR;
+
+static const ObCharacterSet charset[] =
+{
+  {"armscii8", 32},
+  {"ascii", 11},
+  {"big5", 1},
+  {"binary", 63},
+  {"cp1250", 26},
+  {"cp1251", 14},
+  {"cp1256", 57},
+  {"cp1257", 29},
+  {"cp850", 4},
+  {"cp852", 40},
+  {"cp866", 36},
+  {"cp932", 95},
+  {"dec8", 3},
+  {"eucjpms", 97},
+  {"euckr", 19},
+  {"gb2312", 24},
+  {"gbk", 28},
+  {"geostd8", 92},
+  {"greek", 25},
+  {"hebrew", 16},
+  {"hp8", 6},
+  {"keybcs2", 37},
+  {"koi8r", 7},
+  {"koi8u", 22},
+  {"latin1", 5},
+  {"latin2", 2},
+  {"latin5", 30},
+  {"latin7", 20},
+  {"macce", 38},
+  {"macroman", 39},
+  {"sjis", 13},
+  {"swe7", 10},
+  {"tis620", 18},
+  {"ucs2", 35},
+  {"ujis", 12},
+  {"utf8", 33}
+};
+
+static const ObCharacterSetR charsetR[] =
+{
+  {1, "big5"},
+  {2, "latin2"},
+  {3, "dec8"},
+  {4, "cp850"},
+  {5, "latin1"},
+  {6, "hp8"},
+  {7, "koi8r"},
+  {10, "swe7"},
+  {11, "ascii"},
+  {12, "ujis"},
+  {13, "sjis"},
+  {14, "cp1251"},
+  {16, "hebrew"},
+  {18, "tis620"},
+  {19, "euckr"},
+  {20, "latin7"},
+  {22, "koi8u"},
+  {24, "gb2312"},
+  {25, "greek"},
+  {26, "cp1250"},
+  {28, "gbk"},
+  {29, "cp1257"},
+  {30, "latin5"},
+  {32, "armscii8"},
+  {33, "utf8"},
+  {35, "ucs2"},
+  {36, "cp866"},
+  {37, "keybcs2"},
+  {38, "macce"},
+  {39, "macroman"},
+  {40, "cp852"},
+  {57, "cp1256"},
+  {63, "binary"},
+  {92, "geostd8"},
+  {95, "cp932"},
+  {97, "eucjpms"},
+};
+
+int32_t get_char_number_from_name(const common::ObString &name)
+{
+  int32_t ret = 0;
+  int32_t low = 0;
+  int32_t high = ARRAYSIZEOF(charset) - 1;
+  int cret = 0;
+  while (low <= high) {
+    ret = low + (high - low) / 2;
+    cret = name.case_compare(charset[ret].name_);
+    if (0 == cret) {
+      break;
+    } else if (0 > cret) {
+      high = ret - 1;
+    } else {
+      low = ret + 1;
+    }
+  }
+
+  if (low > high) {
+    ret = -1;
+  } else {
+    ret = charset[ret].number_;
+  }
+  return ret;
+}
+
+const char *get_char_name_from_number(int32_t number)
+{
+  const char *name = "gbk";
+  int32_t ret = 0;
+  int32_t low = 0;
+  int32_t high = ARRAYSIZEOF(charsetR) - 1;
+  while (low <= high) {
+    ret = low + (high - low) / 2;
+    if (charsetR[ret].number_ == number) {
+      break;
+    } else if (charsetR[ret].number_ > number) {
+      high = ret - 1;
+    } else {
+      low = ret + 1;
+    }
+  }
+
+  if (low > high) {
+    ret = -1;
+  } else {
+    name = charsetR[ret].name_;
+  }
+  return name;
+}
+}
+}