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optimalization of loading oracle structure

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This commit is contained in:
Jan Prochazka
2023-02-26 09:40:12 +01:00
parent 64ceea3779
commit 622773fccd
3 changed files with 17 additions and 10 deletions
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20
plugins/dbgate-plugin-oracle/src/backend/Analyser.js
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@@ -104,7 +104,7 @@ class Analyser extends DatabaseAnalyser {
const uniqueNames = await this.analyserQuery('uniqueNames', ['tables']);
this.feedback({ analysingMessage: 'Finalizing DB structure' });
const columnColumnsMapped = fkColumns.rows.map(x => ({
const fkColumnsMapped = fkColumns.rows.map(x => ({
pureName: x.pure_name,
schemaName: x.schema_name,
constraintSchema: x.constraint_schema,
@@ -124,6 +124,9 @@ class Analyser extends DatabaseAnalyser {
columnName: x.column_name,
}));
const columnGroup = col => `${col.schema_name}||${col.pure_name}`;
const columnsGrouped = _.groupBy(columns.rows, columnGroup);
const res = {
tables: tables.rows.map(table => {
const newTable = {
@@ -134,11 +137,11 @@ class Analyser extends DatabaseAnalyser {
};
return {
...newTable,
columns: columns.rows
.filter(col => col.pure_name == table.pure_name && col.schema_name == table.schema_name)
.map(col => getColumnInfo(col, newTable, geometryColumns, geographyColumns)),
columns: (columnsGrouped[columnGroup(table)] || []).map(col =>
getColumnInfo(col, newTable, geometryColumns, geographyColumns)
),
primaryKey: DatabaseAnalyser.extractPrimaryKeys(newTable, pkColumnsMapped),
foreignKeys: DatabaseAnalyser.extractForeignKeys(newTable, columnColumnsMapped),
foreignKeys: DatabaseAnalyser.extractForeignKeys(newTable, fkColumnsMapped),
indexes: _.uniqBy(
indexes.rows.filter(
idx =>
@@ -176,9 +179,7 @@ class Analyser extends DatabaseAnalyser {
schemaName: view.schema_name,
contentHash: view.hash_code,
createSql: `CREATE VIEW "${view.schema_name}"."${view.pure_name}"\nAS\n${view.create_sql}`,
columns: columns.rows
.filter(col => col.pure_name == view.pure_name && col.schema_name == view.schema_name)
.map(col => getColumnInfo(col)),
columns: (columnsGrouped[columnGroup(view)] || []).map(col => getColumnInfo(col)),
})),
matviews: matviews
? matviews.rows.map(matview => ({
@@ -212,6 +213,9 @@ class Analyser extends DatabaseAnalyser {
})),
};
// this.feedback({ analysingMessage: 'Debug sleep' });
// await new Promise(resolve => setTimeout(resolve, 90 * 1000));
this.feedback({ analysingMessage: null });
return res;