wyw/EdgeManager
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正确处理ON DELETE CASCADE

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This commit is contained in:
Yu Sun
2022-08-22 11:06:31 +08:00
parent c4f38267e9
commit a447918f54
2 changed files with 26 additions and 28 deletions
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31
EdgeManager/EController/EConfigure.php
View File

@@ -50,30 +50,13 @@ class EConfigure {
}
function remove_server() {
pg_query($this -> dbconn, "BEGIN");
$exists = pg_query($this -> dbconn, sprintf(
"SELECT EXISTS(
SELECT 1 FROM hf_mes_scada_edgeserver_controller_device
WHERE server_id = '%s'
)", $this -> post -> id
));
if (pg_fetch_assoc($exists)['exists'] === 't') {
pg_query($this -> dbconn, "ROLLBACK");
return "REMAINING";
} else {
$res = pg_delete(
$this -> dbconn,
'hf_mes_scada_edgeserver_controller_server',
(array) $this -> post,
);
if ($res) {
pg_query($this -> dbconn, "COMMIT");
return true;
} else {
pg_query($this -> dbconn, "ROLLBACK");
return false;
}
}
$res = pg_delete(
$this -> dbconn,
'hf_mes_scada_edgeserver_controller_server',
(array) $this -> post,
);
return $res ? true : "REMAINING";
}
function update_server() {

23
EdgeManager/Init.php
View File

@@ -12,8 +12,20 @@ function init_db($server_name, $port, $user, $password) {
pg_query($dbconn, "CREATE EXTENSION IF NOT EXISTS timescaledb");
pg_query(
$dbconn,
"CREATE TYPE category
AS ENUM ('DEVICE_STATUS', 'ITEM_ID', 'DEVICE_DATA', 'PROCESS_DATA', 'RESULT_DATA', 'STATISTICAL_DATA')"
"DO $$ BEGIN
CREATE TYPE category
AS ENUM (
'DEVICE_STATUS',
'ITEM_ID',
'DEVICE_DATA',
'PROCESS_DATA',
'RESULT_DATA',
'STATISTICAL_DATA'
);
EXCEPTION
WHEN duplicate_object
THEN null;
END $$"
);
pg_query($dbconn, "CREATE TABLE IF NOT EXISTS hf_mes_scada_data_capture_node_configure (
id serial2 primary key,
@@ -42,14 +54,17 @@ function init_db($server_name, $port, $user, $password) {
id serial2 primary key,
code text,
name text NOT NULL,
server_id serial2 references hf_mes_scada_edgeserver_controller_server(id),
server_id serial2
REFERENCES hf_mes_scada_edgeserver_controller_server(id),
conf json,
create_date timestamp NOT NULL DEFAULT NOW(),
note text
)");
pg_query($dbconn, "CREATE TABLE IF NOT EXISTS hf_mes_scada_edgeserver_controller_command (
id serial8 primary key,
server_id serial2 references hf_mes_scada_edgeserver_controller_server(id),
server_id serial2
REFERENCES hf_mes_scada_edgeserver_controller_server(id)
ON DELETE CASCADE,
device_name text,
command text,
create_date timestamp NOT NULL DEFAULT NOW(),