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Issue 47: Query expression planner now recognises GSIs (#48)

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The query expression planner now recognises GSIs, and will use them if the expression can be executed as a query over an index.
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Leon Mika 2023-02-17 09:17:22 +11:00 • committed by GitHub
parent 7caf905c82
commit 733e59ec95
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GPG key ID: 4AEE18F83AFDEB23
15 changed files with 190 additions and 163 deletions
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1
internal/dynamo-browse/services/tables/iface.go
View file

@ -17,6 +17,7 @@ type TableProvider interface {
QueryItems(
ctx context.Context,
tableName string,
indexName string,
filterExpr *expression.Expression,
exclusiveStartKey map[string]types.AttributeValue,
maxItems int,

4
internal/dynamo-browse/services/tables/service.go
View file

@ -49,6 +49,7 @@ func (s *Service) doScan(
var (
filterExpr *expression.Expression
runAsQuery bool
index string
err error
)
if expr != nil {
@ -58,6 +59,7 @@ func (s *Service) doScan(
}
runAsQuery = plan.CanQuery
index = plan.IndexName
filterExpr = &plan.Expression
log.Printf("Running query over '%v'", tableInfo.Name)
@ -69,7 +71,7 @@ func (s *Service) doScan(
var results []models.Item
var lastEvalKey map[string]types.AttributeValue
if runAsQuery {
results, lastEvalKey, err = s.provider.QueryItems(ctx, tableInfo.Name, filterExpr, exclusiveStartKey, limit)
results, lastEvalKey, err = s.provider.QueryItems(ctx, tableInfo.Name, index, filterExpr, exclusiveStartKey, limit)
} else {
results, lastEvalKey, err = s.provider.ScanItems(ctx, tableInfo.Name, filterExpr, exclusiveStartKey, limit)
}