64 lines
2.3 KiB
Go
64 lines
2.3 KiB
Go
package storage_test
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import (
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"testing"
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"github.com/influxdata/influxdb/v2/pkg/testing/assert"
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"github.com/influxdata/influxdb/v2/storage/reads"
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"github.com/influxdata/influxdb/v2/storage/reads/datatypes"
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"github.com/influxdata/influxdb/v2/v1/services/storage"
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"github.com/influxdata/influxql"
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)
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func TestRewriteExprRemoveFieldKeyAndValue(t *testing.T) {
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node := &datatypes.Node{
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NodeType: datatypes.Node_TypeLogicalExpression,
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Value: &datatypes.Node_Logical_{Logical: datatypes.Node_LogicalAnd},
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Children: []*datatypes.Node{
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{
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NodeType: datatypes.Node_TypeComparisonExpression,
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Value: &datatypes.Node_Comparison_{Comparison: datatypes.Node_ComparisonEqual},
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Children: []*datatypes.Node{
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{NodeType: datatypes.Node_TypeTagRef, Value: &datatypes.Node_TagRefValue{TagRefValue: "host"}},
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{NodeType: datatypes.Node_TypeLiteral, Value: &datatypes.Node_StringValue{StringValue: "host1"}},
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},
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},
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{
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NodeType: datatypes.Node_TypeComparisonExpression,
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Value: &datatypes.Node_Comparison_{Comparison: datatypes.Node_ComparisonRegex},
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Children: []*datatypes.Node{
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{NodeType: datatypes.Node_TypeTagRef, Value: &datatypes.Node_TagRefValue{TagRefValue: "_field"}},
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{NodeType: datatypes.Node_TypeLiteral, Value: &datatypes.Node_RegexValue{RegexValue: "^us-west"}},
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},
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},
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{
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NodeType: datatypes.Node_TypeComparisonExpression,
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Value: &datatypes.Node_Comparison_{Comparison: datatypes.Node_ComparisonEqual},
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Children: []*datatypes.Node{
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{NodeType: datatypes.Node_TypeFieldRef, Value: &datatypes.Node_FieldRefValue{FieldRefValue: "$"}},
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{NodeType: datatypes.Node_TypeLiteral, Value: &datatypes.Node_FloatValue{FloatValue: 0.5}},
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},
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},
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},
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}
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expr, err := reads.NodeToExpr(node, nil)
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assert.NoError(t, err, "NodeToExpr failed")
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assert.Equal(t, expr.String(), `host::tag = 'host1' AND _field::tag =~ /^us-west/ AND "$" = 0.500`)
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expr = storage.RewriteExprRemoveFieldKeyAndValue(expr)
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assert.Equal(t, expr.String(), `host::tag = 'host1' AND true AND true`)
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expr = influxql.Reduce(expr, mapValuer{"host": "host1"})
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assert.Equal(t, expr.String(), `true`)
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}
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type mapValuer map[string]string
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var _ influxql.Valuer = mapValuer(nil)
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func (vs mapValuer) Value(key string) (interface{}, bool) {
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v, ok := vs[key]
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return v, ok
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}
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