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Issue 8966003: Update webdata files to take advantage of DLOG(FATAL) in (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Add header comments for a couple tricky error cases. Created 9 years ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef SQL_STATEMENT_H_ 5 #ifndef SQL_STATEMENT_H_
6 #define SQL_STATEMENT_H_ 6 #define SQL_STATEMENT_H_
7 #pragma once 7 #pragma once
8 8
9 #include <string> 9 #include <string>
10 #include <vector> 10 #include <vector>
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51 explicit Statement(scoped_refptr<Connection::StatementRef> ref); 51 explicit Statement(scoped_refptr<Connection::StatementRef> ref);
52 ~Statement(); 52 ~Statement();
53 53
54 // Initializes this object with the given statement, which may or may not 54 // Initializes this object with the given statement, which may or may not
55 // be valid. Use is_valid() to check if it's OK. 55 // be valid. Use is_valid() to check if it's OK.
56 void Assign(scoped_refptr<Connection::StatementRef> ref); 56 void Assign(scoped_refptr<Connection::StatementRef> ref);
57 57
58 // Returns true if the statement can be executed. All functions can still 58 // Returns true if the statement can be executed. All functions can still
59 // be used if the statement is invalid, but they will return failure or some 59 // be used if the statement is invalid, but they will return failure or some
60 // default value. This is because the statement can become invalid in the 60 // default value. This is because the statement can become invalid in the
61 // middle of executing a command if there is a serioud error and the database 61 // middle of executing a command if there is a serious error and the database
62 // has to be reset. 62 // has to be reset.
63 bool is_valid() const { return ref_->is_valid(); } 63 bool is_valid() const { return ref_->is_valid(); }
64 64
65 // These operators allow conveniently checking if the statement is valid 65 // These operators allow conveniently checking if the statement is valid
66 // or not. See the pattern above for an example. 66 // or not. See the pattern above for an example.
67 // TODO(shess,gbillock): Remove these once clients are converted. 67 // TODO(shess,gbillock): Remove these once clients are converted.
68 operator bool() const { return is_valid(); } 68 operator bool() const { return is_valid(); }
69 bool operator!() const { return !is_valid(); } 69 bool operator!() const { return !is_valid(); }
70 70
71 // Running ------------------------------------------------------------------- 71 // Running -------------------------------------------------------------------
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181 181
182 // See Succeeded() for what this holds. 182 // See Succeeded() for what this holds.
183 bool succeeded_; 183 bool succeeded_;
184 184
185 DISALLOW_COPY_AND_ASSIGN(Statement); 185 DISALLOW_COPY_AND_ASSIGN(Statement);
186 }; 186 };
187 187
188 } // namespace sql 188 } // namespace sql
189 189
190 #endif // SQL_STATEMENT_H_ 190 #endif // SQL_STATEMENT_H_
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