diff options
| author | Ting-Wei Lan <tingwei.lan@cobinhood.com> | 2019-03-27 17:09:24 +0800 |
|---|---|---|
| committer | Jhih-Ming Huang <jm.huang@cobinhood.com> | 2019-05-06 10:44:04 +0800 |
| commit | 8c4e09207c74294364eefa14159338908bc65f67 (patch) | |
| tree | 80b0c08f934b8d0d07aff8d4f42c34c5a0098dbb /core/vm/sqlvm/parser/internal/grammar.peg | |
| parent | 599f65cc61f985c71d4fa1227fba55287bcb1d98 (diff) | |
| download | dexon-8c4e09207c74294364eefa14159338908bc65f67.tar dexon-8c4e09207c74294364eefa14159338908bc65f67.tar.gz dexon-8c4e09207c74294364eefa14159338908bc65f67.tar.bz2 dexon-8c4e09207c74294364eefa14159338908bc65f67.tar.lz dexon-8c4e09207c74294364eefa14159338908bc65f67.tar.xz dexon-8c4e09207c74294364eefa14159338908bc65f67.tar.zst dexon-8c4e09207c74294364eefa14159338908bc65f67.zip | |
core: vm: sqlvm: support SQL three-valued logic on AST
We make the zero value invalid by design. Users must be aware of the
difference between SQL boolean and Go boolean and initialize it
explicitly.
Diffstat (limited to 'core/vm/sqlvm/parser/internal/grammar.peg')
| -rw-r--r-- | core/vm/sqlvm/parser/internal/grammar.peg | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/core/vm/sqlvm/parser/internal/grammar.peg b/core/vm/sqlvm/parser/internal/grammar.peg index 7429f65a4..a0cb9ec63 100644 --- a/core/vm/sqlvm/parser/internal/grammar.peg +++ b/core/vm/sqlvm/parser/internal/grammar.peg @@ -912,7 +912,11 @@ BoolLiteral node := &ast.BoolValueNode{} node.SetPosition(uint32(c.pos.offset)) node.SetLength(uint32(len(c.text))) - node.V = bytes.EqualFold(b.([]byte), []byte("TRUE")) + if bytes.EqualFold(b.([]byte), []byte("TRUE")) { + node.V = ast.BoolValueTrue + } else { + node.V = ast.BoolValueFalse + } return node, nil } |