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Since create_hypertable() allows you to optionally specify a partitioning column, it makes sense to default to one partition when no column is specified and asking for the number of partitions when a column is specified and the number of partitions is not (instead of defaulting to one). This patch also changes the order and type of partitioning-related input arguments to create_hypertable() so that the number of partitions can easily be specified alongside the partitioning column and without type casting.
28 lines
1.1 KiB
SQL
28 lines
1.1 KiB
SQL
CREATE TABLE PUBLIC."Hypertable_1" (
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time BIGINT NOT NULL,
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"Device_id" TEXT NOT NULL,
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temp_c int NOT NULL DEFAULT -1,
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humidity numeric NULL DEFAULT 0,
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sensor_1 NUMERIC NULL DEFAULT 1,
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sensor_2 NUMERIC NOT NULL DEFAULT 1,
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sensor_3 NUMERIC NOT NULL DEFAULT 1,
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sensor_4 NUMERIC NOT NULL DEFAULT 1
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);
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CREATE INDEX ON PUBLIC."Hypertable_1" (time, "Device_id");
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SELECT * FROM create_hypertable('"public"."Hypertable_1"', 'time', 'Device_id', 1);
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SELECT * FROM _timescaledb_catalog.hypertable;
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SELECT * FROM _timescaledb_catalog.hypertable_index;
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CREATE INDEX ON PUBLIC."Hypertable_1" (time, "temp_c");
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CREATE INDEX "ind_humidity" ON PUBLIC."Hypertable_1" (time, "humidity");
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CREATE INDEX "ind_sensor_1" ON PUBLIC."Hypertable_1" (time, "sensor_1");
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INSERT INTO PUBLIC."Hypertable_1"(time, "Device_id", temp_c, humidity, sensor_1, sensor_2, sensor_3, sensor_4)
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VALUES(1257894000000000000, 'dev1', 30, 70, 1, 2, 3, 100);
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--expect error cases
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\set ON_ERROR_STOP 0
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UPDATE ONLY PUBLIC."Hypertable_1" SET time = 0 WHERE TRUE;
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DELETE FROM ONLY PUBLIC."Hypertable_1" WHERE "Device_id" = 'dev1';
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\set ON_ERROR_STOP 1
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