(b byte)
| 95 | } |
| 96 | |
| 97 | func tsOperatorFromPgwireEncoding(b byte) (tsOperator, error) { |
| 98 | switch b { |
| 99 | case 1: |
| 100 | return not, nil |
| 101 | case 2: |
| 102 | return and, nil |
| 103 | case 3: |
| 104 | return or, nil |
| 105 | case 4: |
| 106 | return followedby, nil |
| 107 | } |
| 108 | return invalid, errors.AssertionFailedf("no operator for pgwire byte %d", b) |
| 109 | } |
| 110 | |
| 111 | // tsNode represents a single AST node within the tree of a TSQuery. |
| 112 | type tsNode struct { |
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