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/engine/cmd/ob_load_data_parser.cpp
+++ b/src/sql/engine/cmd/ob_load_data_parser.cpp
@ -0,0 +1,93 @@
+/**
+ * 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.
+ */
+
+#define USING_LOG_PREFIX  SQL_ENG
+
+#include "sql/engine/cmd/ob_load_data_parser.h"
+#include "sql/resolver/cmd/ob_load_data_stmt.h"
+#include "lib/oblog/ob_log_module.h"
+
+using namespace oceanbase::sql;
+using namespace oceanbase::common;
+
+namespace oceanbase
+{
+namespace sql
+{
+
+int ObCSVGeneralParser::init(const ObDataInFileStruct &format,
+                             int64_t file_column_nums,
+                             ObCollationType file_cs_type)
+{
+  int ret = OB_SUCCESS;
+  const char INVALID_TERM_CHAR = '\xff';
+
+  if (!ObCharset::is_valid_collation(file_cs_type)) {
+    ret = OB_ERR_UNKNOWN_CHARSET;
+    LOG_WARN("invalid charset", K(ret), K(file_cs_type));
+  } else {
+    format_.cs_type_ = ObCharset::charset_type_by_coll(file_cs_type);
+    format_.file_column_nums_ = file_column_nums;
+    format_.field_enclosed_char_ = format.field_enclosed_char_;
+    format_.field_escaped_char_ = format.field_escaped_char_;
+    format_.field_term_str_ = format.field_term_str_;
+    format_.line_term_str_ = format.line_term_str_;
+    format_.line_start_str_ = format.line_start_str_;
+    if (format_.line_term_str_.empty() && !format_.field_term_str_.empty()) {
+      format_.line_term_str_ = format_.field_term_str_;
+    }
+  }
+
+  if (OB_SUCC(ret)) {
+    opt_param_.line_term_c_ = format_.line_term_str_.empty() ? INVALID_TERM_CHAR : format_.line_term_str_[0];
+    opt_param_.field_term_c_ = format_.field_term_str_.empty() ? INVALID_TERM_CHAR : format_.field_term_str_[0];
+    opt_param_.is_filling_zero_to_empty_field_ = lib::is_mysql_mode();
+    opt_param_.is_line_term_by_counting_field_ =
+        0 == format_.line_term_str_.compare(format_.field_term_str_);
+    opt_param_.is_same_escape_enclosed_ = (format_.field_enclosed_char_ == format_.field_escaped_char_);
+
+    opt_param_.is_simple_format_ =
+        !opt_param_.is_line_term_by_counting_field_
+        && format_.field_term_str_.length() == 1
+        && format_.line_term_str_.length() == 1
+        && format_.line_start_str_.length() == 0
+        && !opt_param_.is_same_escape_enclosed_
+        && format_.field_enclosed_char_ == INT64_MAX;
+
+  }
+
+  if (OB_SUCC(ret) && OB_FAIL(fields_per_line_.prepare_allocate(file_column_nums))) {
+    LOG_WARN("fail to allocate memory", K(ret), K(file_column_nums));
+  }
+
+  return ret;
+}
+
+int ObCSVGeneralParser::handle_irregular_line(int field_idx, int line_no,
+                                              ObIArray<LineErrRec> &errors)
+{
+  int ret = OB_SUCCESS;
+  LineErrRec rec;
+  rec.err_code = field_idx > format_.file_column_nums_ ?
+        OB_WARN_TOO_MANY_RECORDS : OB_WARN_TOO_FEW_RECORDS;
+  rec.line_no = line_no;
+  OX (errors.push_back(rec));
+  for (int i = field_idx; i < format_.file_column_nums_; ++i) {
+    FieldValue &new_field = fields_per_line_.at(i);
+    new_field = FieldValue();
+    new_field.is_null_ = 1;
+  }
+  return ret;
+}
+
+}
+}