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9918cd6f55
Previously, expressions and params were evaluated during the planning phase. This change builds the query plan without evaluating params and expressions which are then evaluated only during the execution phase.
40 lines
1.0 KiB
Go
40 lines
1.0 KiB
Go
package parser_test
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import (
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"testing"
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"github.com/genjidb/genji/internal/expr"
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"github.com/genjidb/genji/internal/query/statement"
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"github.com/genjidb/genji/internal/sql/parser"
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"github.com/genjidb/genji/internal/stream"
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"github.com/stretchr/testify/require"
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)
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func TestParserExplain(t *testing.T) {
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tests := []struct {
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name string
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s string
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expected statement.Statement
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errored bool
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}{
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{"Explain create table", "EXPLAIN SELECT * FROM test", &statement.ExplainStmt{Statement: &statement.StreamStmt{
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ReadOnly: true,
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Stream: stream.New(stream.SeqScan("test")).Pipe(stream.Project(expr.Wildcard{})),
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}}, false},
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{"Multiple Explains", "EXPLAIN EXPLAIN CREATE TABLE test", nil, true},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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q, err := parser.ParseQuery(test.s)
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if test.errored {
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require.Error(t, err)
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return
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}
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require.NoError(t, err)
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require.Len(t, q.Statements, 1)
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require.EqualValues(t, test.expected, q.Statements[0])
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})
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}
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}
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