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Fixed timescaledb loader initialization #255

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Fixed timescaledb loader initialization #255

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19 changes: 8 additions & 11 deletions pkg/targets/timescaledb/creator.go
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Original file line number Diff line number Diff line change
Expand Up @@ -195,11 +195,12 @@ func (d *dbCreator) createTableAndIndexes(dbBench *sql.DB, tableName string, fie
}

if d.opts.UseHypertable {
var creationCommand string = "create_hypertable"
var partitionsOption string = "replication_factor => NULL"

MustExec(dbBench, "CREATE EXTENSION IF NOT EXISTS timescaledb CASCADE")

var options string = fmt.Sprintf(
"chunk_time_interval => %d, create_default_indexes => FALSE",
d.opts.ChunkTime.Nanoseconds()/1000)

// Replication factor determines whether we create a distributed hypertable
// or not. If it is unset or zero, then we will create a regular
// hypertable with no partitions.
Expand All @@ -212,18 +213,14 @@ func (d *dbCreator) createTableAndIndexes(dbBench *sql.DB, tableName string, fie
// We assume a single partition hypertable. This provides an option to test
// partitioning on regular hypertables
if d.opts.NumberPartitions > 0 {
partitionsOption = fmt.Sprintf("partitioning_column => '%s'::name, number_partitions => %v::smallint", partitionColumn, d.opts.NumberPartitions)
}

if d.opts.ReplicationFactor > 0 {
options = fmt.Sprintf("partitioning_column => '%s'::name, number_partitions => %v::smallint, %s", partitionColumn, d.opts.NumberPartitions, options)
} else if d.opts.ReplicationFactor > 0 {
// This gives us a future option of testing the impact of
// multi-node replication across data nodes
partitionsOption = fmt.Sprintf("partitioning_column => '%s'::name, replication_factor => %v::smallint", partitionColumn, d.opts.ReplicationFactor)
options = fmt.Sprintf("partitioning_column => '%s'::name, replication_factor => %v::smallint, %s", partitionColumn, d.opts.ReplicationFactor, options)
}

MustExec(dbBench,
fmt.Sprintf("SELECT %s('%s'::regclass, 'time'::name, %s, chunk_time_interval => %d, create_default_indexes=>FALSE)",
creationCommand, tableName, partitionsOption, d.opts.ChunkTime.Nanoseconds()/1000))
MustExec(dbBench, fmt.Sprintf("SELECT create_hypertable('%s'::regclass, 'time'::name, %s)", tableName, options))
}
}

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