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Add List Cluster Metadata API (#2206)

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* Add List Cluster Metdata API

Co-authored-by: yux0 <[email protected]>
This commit is contained in:
Yu Xia
2021-11-19 14:31:25 -08:00
committed by GitHub
co-authored by yux0
parent 0ec9ed2411
commit dbbbb27dd6
17 changed files with 405 additions and 4 deletions
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common/persistence/sql/sqlplugin/postgresql/cluster_metadata.go
+30 -1
View File
@@ -52,7 +52,10 @@ const (
updateClusterMetadataQry = `UPDATE cluster_metadata_info SET data = $1, data_encoding = $2, version = $3 WHERE metadata_partition = $4 AND cluster_name = $5`
getClusterMetadataQry = `SELECT data, data_encoding, version FROM cluster_metadata_info WHERE metadata_partition = $1 AND cluster_name = $2`
getClusterMetadataBase = `SELECT data, data_encoding, version FROM cluster_metadata_info `
getClusterMetadataQry = getClusterMetadataBase + `WHERE metadata_partition = $1 AND cluster_name = $2`
listClusterMetadataQry = getClusterMetadataBase + `WHERE metadata_partition = $1 ORDER BY cluster_name LIMIT $2`
listClusterMetadataRangeQry = getClusterMetadataBase + `WHERE metadata_partition = $1 AND cluster_name > $2 ORDER BY cluster_name LIMIT $3`
writeLockGetClusterMetadataQry = getClusterMetadataQry + ` FOR UPDATE`
@@ -134,6 +137,32 @@ func (pdb *db) SaveClusterMetadata(
)
}
func (pdb *db) ListClusterMetadata(
ctx context.Context,
filter *sqlplugin.ClusterMetadataFilter,
) ([]sqlplugin.ClusterMetadataRow, error) {
var err error
var rows []sqlplugin.ClusterMetadataRow
switch {
case len(filter.ClusterName) != 0:
err = pdb.conn.SelectContext(ctx,
&rows,
listClusterMetadataRangeQry,
constMetadataPartition,
filter.ClusterName,
filter.PageSize,
)
default:
err = pdb.conn.SelectContext(ctx,
&rows,
listClusterMetadataQry,
constMetadataPartition,
filter.PageSize,
)
}
return rows, err
}
func (pdb *db) GetClusterMetadataV1(ctx context.Context) (*sqlplugin.ClusterMetadataRow, error) {
var row sqlplugin.ClusterMetadataRow
err := pdb.conn.GetContext(ctx,