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Code Issues Releases Wiki Activity

perf: improved performance getting database structure

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This commit is contained in:
Fabio Di Stasio
2020-12-28 13:05:30 +01:00
parent 8c4aaec167
commit 6611aad840
2 changed files with 24 additions and 21 deletions
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42
src/main/libs/clients/MySQLClient.js
View File

@ -36,21 +36,23 @@ export class MySQLClient extends AntaresCore {
*/ */
async getStructure () { async getStructure () {
const { rows: databases } = await this.raw('SHOW DATABASES'); const { rows: databases } = await this.raw('SHOW DATABASES');
// TODO: SHOW TABLE STATUS FROM `{DATABASE_NAME}`;
const { rows: tables } = await this
.select('*')
.schema('information_schema')
.from('TABLES')
.orderBy({ TABLE_SCHEMA: 'ASC', TABLE_NAME: 'ASC' })
.run();
const { rows: functions } = await this.raw('SHOW FUNCTION STATUS'); const { rows: functions } = await this.raw('SHOW FUNCTION STATUS');
const { rows: procedures } = await this.raw('SHOW PROCEDURE STATUS'); const { rows: procedures } = await this.raw('SHOW PROCEDURE STATUS');
const { rows: schedulers } = await this.raw('SELECT *, EVENT_SCHEMA AS `Db`, EVENT_NAME AS `Name` FROM information_schema.`EVENTS`'); const { rows: schedulers } = await this.raw('SELECT *, EVENT_SCHEMA AS `Db`, EVENT_NAME AS `Name` FROM information_schema.`EVENTS`');
const tablesArr = [];
const triggersArr = []; const triggersArr = [];
for (const db of databases) { for (const db of databases) {
let { rows: tables } = await this.raw(`SHOW TABLE STATUS FROM \`${db.Database}\``);
if (tables.length) {
tables = tables.map(table => {
table.Db = db.Database;
return table;
});
tablesArr.push(...tables);
}
let { rows: triggers } = await this.raw(`SHOW TRIGGERS FROM \`${db.Database}\``); let { rows: triggers } = await this.raw(`SHOW TRIGGERS FROM \`${db.Database}\``);
if (triggers.length) { if (triggers.length) {
triggers = triggers.map(trigger => { triggers = triggers.map(trigger => {
@ -63,9 +65,9 @@ export class MySQLClient extends AntaresCore {
return databases.map(db => { return databases.map(db => {
// TABLES // TABLES
const remappedTables = tables.filter(table => table.TABLE_SCHEMA === db.Database).map(table => { const remappedTables = tablesArr.filter(table => table.Db === db.Database).map(table => {
let tableType; let tableType;
switch (table.TABLE_TYPE) { switch (table.Comment) {
case 'VIEW': case 'VIEW':
tableType = 'view'; tableType = 'view';
break; break;
@ -75,16 +77,16 @@ export class MySQLClient extends AntaresCore {
} }
return { return {
name: table.TABLE_NAME, name: table.Name,
type: tableType, type: tableType,
rows: table.TABLE_ROWS, rows: table.Rows,
created: table.CREATE_TIME, created: table.Create_time,
updated: table.UPDATE_TIME, updated: table.Update_time,
engine: table.ENGINE, engine: table.Engine,
comment: table.TABLE_COMMENT, comment: table.Comment,
size: table.DATA_LENGTH + table.INDEX_LENGTH, size: table.Data_length + table.Index_length,
autoIncrement: table.AUTO_INCREMENT, autoIncrement: table.Auto_increment,
collation: table.TABLE_COLLATION collation: table.Collation
}; };
}); });

3
src/renderer/scss/main.scss
View File

@ -212,6 +212,7 @@ body {
.input-group .input-group-addon { .input-group .input-group-addon {
border-color: #3f3f3f; border-color: #3f3f3f;
z-index: 1;
} }
.menu { .menu {
@ -225,7 +226,7 @@ body {
} }
.accordion-body { .accordion-body {
max-height: 500rem !important; max-height: 5000rem !important;
} }
.btn.loading { .btn.loading {