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context.go
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context.go
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package internal
import (
"context"
"time"
"github.com/goccy/go-zetasql"
ast "github.com/goccy/go-zetasql/resolved_ast"
)
type (
analyzerKey struct{}
namePathKey struct{}
nodeMapKey struct{}
columnRefMapKey struct{}
funcMapKey struct{}
analyticOrderColumnNamesKey struct{}
analyticPartitionColumnNamesKey struct{}
analyticInputScanKey struct{}
arraySubqueryColumnNameKey struct{}
currentTimeKey struct{}
tableNameToColumnListMapKey struct{}
useColumnIDKey struct{}
useTableNameForColumnKey struct{}
)
func analyzerFromContext(ctx context.Context) *Analyzer {
value := ctx.Value(analyzerKey{})
if value == nil {
return nil
}
return value.(*Analyzer)
}
func withAnalyzer(ctx context.Context, analyzer *Analyzer) context.Context {
return context.WithValue(ctx, analyzerKey{}, analyzer)
}
func namePathFromContext(ctx context.Context) *NamePath {
value := ctx.Value(namePathKey{})
if value == nil {
return nil
}
return value.(*NamePath)
}
func withNamePath(ctx context.Context, namePath *NamePath) context.Context {
return context.WithValue(ctx, namePathKey{}, namePath)
}
func withNodeMap(ctx context.Context, m *zetasql.NodeMap) context.Context {
return context.WithValue(ctx, nodeMapKey{}, m)
}
func nodeMapFromContext(ctx context.Context) *zetasql.NodeMap {
value := ctx.Value(nodeMapKey{})
if value == nil {
return nil
}
return value.(*zetasql.NodeMap)
}
func withColumnRefMap(ctx context.Context, m map[string]string) context.Context {
return context.WithValue(ctx, columnRefMapKey{}, m)
}
func columnRefMap(ctx context.Context) map[string]string {
value := ctx.Value(columnRefMapKey{})
if value == nil {
return nil
}
return value.(map[string]string)
}
func withFuncMap(ctx context.Context, m map[string]*FunctionSpec) context.Context {
return context.WithValue(ctx, funcMapKey{}, m)
}
func funcMapFromContext(ctx context.Context) map[string]*FunctionSpec {
value := ctx.Value(funcMapKey{})
if value == nil {
return nil
}
return value.(map[string]*FunctionSpec)
}
type analyticOrderBy struct {
column string
isAsc bool
}
type analyticOrderColumnNames struct {
values []*analyticOrderBy
}
func withAnalyticOrderColumnNames(ctx context.Context, v *analyticOrderColumnNames) context.Context {
return context.WithValue(ctx, analyticOrderColumnNamesKey{}, v)
}
func analyticOrderColumnNamesFromContext(ctx context.Context) *analyticOrderColumnNames {
value := ctx.Value(analyticOrderColumnNamesKey{})
if value == nil {
return nil
}
return value.(*analyticOrderColumnNames)
}
func withAnalyticPartitionColumnNames(ctx context.Context, names []string) context.Context {
return context.WithValue(ctx, analyticPartitionColumnNamesKey{}, names)
}
func analyticPartitionColumnNamesFromContext(ctx context.Context) []string {
value := ctx.Value(analyticPartitionColumnNamesKey{})
if value == nil {
return nil
}
return value.([]string)
}
func withAnalyticInputScan(ctx context.Context, input string) context.Context {
return context.WithValue(ctx, analyticInputScanKey{}, input)
}
func analyticInputScanFromContext(ctx context.Context) string {
value := ctx.Value(analyticInputScanKey{})
if value == nil {
return ""
}
return value.(string)
}
type arraySubqueryColumnNames struct {
names []string
}
func withArraySubqueryColumnName(ctx context.Context, v *arraySubqueryColumnNames) context.Context {
return context.WithValue(ctx, arraySubqueryColumnNameKey{}, v)
}
func arraySubqueryColumnNameFromContext(ctx context.Context) *arraySubqueryColumnNames {
value := ctx.Value(arraySubqueryColumnNameKey{})
if value == nil {
return nil
}
return value.(*arraySubqueryColumnNames)
}
func withUseColumnID(ctx context.Context) context.Context {
return context.WithValue(ctx, useColumnIDKey{}, true)
}
func useColumnID(ctx context.Context) bool {
value := ctx.Value(useColumnIDKey{})
if value == nil {
return false
}
return value.(bool)
}
func unuseColumnID(ctx context.Context) context.Context {
return context.WithValue(ctx, useColumnIDKey{}, false)
}
func withoutUseTableNameForColumn(ctx context.Context) context.Context {
return context.WithValue(ctx, useTableNameForColumnKey{}, false)
}
func useTableNameForColumn(ctx context.Context) bool {
value := ctx.Value(useTableNameForColumnKey{})
if value == nil {
return false
}
return value.(bool)
}
func withTableNameToColumnListMap(ctx context.Context, v map[string][]*ast.Column) context.Context {
return context.WithValue(ctx, tableNameToColumnListMapKey{}, v)
}
func tableNameToColumnListMap(ctx context.Context) map[string][]*ast.Column {
value := ctx.Value(tableNameToColumnListMapKey{})
if value == nil {
return nil
}
return value.(map[string][]*ast.Column)
}
func WithCurrentTime(ctx context.Context, now time.Time) context.Context {
return context.WithValue(ctx, currentTimeKey{}, &now)
}
func CurrentTime(ctx context.Context) *time.Time {
value := ctx.Value(currentTimeKey{})
if value == nil {
return nil
}
return value.(*time.Time)
}