594 lines
24 KiB
JavaScript
594 lines
24 KiB
JavaScript
|
// @ts-check
|
||
|
|
|
||
|
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
|
///////////////////////// - Update Table Function - ////////////////////////////
|
||
|
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
const fs = require("fs");
|
||
|
|
const varDatabaseDbHandler = require("./varDatabaseDbHandler");
|
||
|
|
|
||
|
|
const defaultFieldsRegexp =
|
||
|
|
/^id$|^uuid$|^date_created$|^date_created_code$|^date_created_timestamp$|^date_updated$|^date_updated_code$|^date_updated_timestamp$/;
|
||
|
|
|
||
|
|
const generateColumnDescription = require("./generateColumnDescription");
|
||
|
|
const dbHandler = require("./dbHandler");
|
||
|
|
|
||
|
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Update table function
|
||
|
|
* ==============================================================================
|
||
|
|
* @param {object} params - Single object params
|
||
|
|
* @param {string} params.dbFullName - Database full name => "datasquirel_user_4394_db_name"
|
||
|
|
* @param {string} params.tableName - Table Name(slug)
|
||
|
|
* @param {import("../../types").DSQL_TableSchemaType} params.tableSchema - Table Name(slug)
|
||
|
|
* @param {string} [params.tableNameFull] - Table Name(slug)
|
||
|
|
* @param {import("../../types").DSQL_FieldSchemaType[]} params.tableInfoArray - Table Info Array
|
||
|
|
* @param {number | string | null} [params.userId] - User ID
|
||
|
|
* @param {import("../../types").DSQL_DatabaseSchemaType[]} params.dbSchema - Single post
|
||
|
|
* @param {import("../../types").DSQL_IndexSchemaType[]} [params.tableIndexes] - Table Indexes
|
||
|
|
* @param {boolean} [params.clone] - Is this a newly cloned table?
|
||
|
|
* @param {number} [params.tableIndex] - The number index of the table in the dbSchema array
|
||
|
|
* @param {boolean} [params.childDb] - The number index of the table in the dbSchema array
|
||
|
|
* @param {any} [params.recordedDbEntry] - The database object as recorded in `user_databases` table
|
||
|
|
*/
|
||
|
|
module.exports = async function updateTable({
|
||
|
|
dbFullName,
|
||
|
|
tableName,
|
||
|
|
tableInfoArray,
|
||
|
|
userId,
|
||
|
|
dbSchema,
|
||
|
|
tableIndexes,
|
||
|
|
tableSchema,
|
||
|
|
clone,
|
||
|
|
childDb,
|
||
|
|
tableIndex,
|
||
|
|
tableNameFull,
|
||
|
|
recordedDbEntry,
|
||
|
|
}) {
|
||
|
|
/**
|
||
|
|
* Initialize
|
||
|
|
* ==========================================
|
||
|
|
* @description Initial setup
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @description Initialize table info array. This value will be
|
||
|
|
* changing depending on if a field is renamed or not.
|
||
|
|
*/
|
||
|
|
let upToDateTableFieldsArray = tableInfoArray;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Handle Table updates
|
||
|
|
*
|
||
|
|
* @description Try to undate table, catch error if anything goes wrong
|
||
|
|
*/
|
||
|
|
try {
|
||
|
|
/**
|
||
|
|
* @type {string[]}
|
||
|
|
* @description Table update query string array
|
||
|
|
*/
|
||
|
|
const updateTableQueryArray = [];
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @type {string[]}
|
||
|
|
* @description Constriants query string array
|
||
|
|
*/
|
||
|
|
const constraintsQueryArray = [];
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @description Push the query initial value
|
||
|
|
*/
|
||
|
|
updateTableQueryArray.push(`ALTER TABLE \`${tableName}\``);
|
||
|
|
|
||
|
|
////////////////////////////////////////
|
||
|
|
////////////////////////////////////////
|
||
|
|
////////////////////////////////////////
|
||
|
|
|
||
|
|
if (childDb) {
|
||
|
|
try {
|
||
|
|
if (!recordedDbEntry) {
|
||
|
|
throw new Error("Recorded Db entry not found!");
|
||
|
|
}
|
||
|
|
|
||
|
|
const existingTable = await varDatabaseDbHandler({
|
||
|
|
database: "datasquirel",
|
||
|
|
queryString: `SELECT * FROM user_database_tables WHERE db_id = ? AND table_slug = ?`,
|
||
|
|
queryValuesArray: [recordedDbEntry.id, tableName],
|
||
|
|
});
|
||
|
|
|
||
|
|
/** @type {import("../../types").MYSQL_user_database_tables_table_def} */
|
||
|
|
const table = existingTable?.[0];
|
||
|
|
|
||
|
|
if (!table?.id) {
|
||
|
|
const newTableEntry = await dbHandler({
|
||
|
|
query: `INSERT INTO user_database_tables SET ?`,
|
||
|
|
values: {
|
||
|
|
user_id: recordedDbEntry.user_id,
|
||
|
|
db_id: recordedDbEntry.id,
|
||
|
|
db_slug: recordedDbEntry.db_slug,
|
||
|
|
table_name: tableNameFull,
|
||
|
|
table_slug: tableName,
|
||
|
|
child_table: tableSchema?.childTable ? "1" : null,
|
||
|
|
child_table_parent_database:
|
||
|
|
tableSchema?.childTableDbFullName || null,
|
||
|
|
child_table_parent_table:
|
||
|
|
tableSchema.childTableName || null,
|
||
|
|
date_created: Date(),
|
||
|
|
date_created_code: Date.now(),
|
||
|
|
date_updated: Date(),
|
||
|
|
date_updated_code: Date.now(),
|
||
|
|
},
|
||
|
|
database: "datasquirel",
|
||
|
|
});
|
||
|
|
}
|
||
|
|
} catch (error) {}
|
||
|
|
}
|
||
|
|
|
||
|
|
////////////////////////////////////////
|
||
|
|
////////////////////////////////////////
|
||
|
|
////////////////////////////////////////
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @type {import("../../types").DSQL_MYSQL_SHOW_INDEXES_Type[]}
|
||
|
|
* @description All indexes from MYSQL db
|
||
|
|
*/ // @ts-ignore
|
||
|
|
const allExistingIndexes = await varDatabaseDbHandler({
|
||
|
|
queryString: `SHOW INDEXES FROM \`${tableName}\``,
|
||
|
|
database: dbFullName,
|
||
|
|
});
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @type {import("../../types").DSQL_MYSQL_SHOW_COLUMNS_Type[]}
|
||
|
|
* @description All columns from MYSQL db
|
||
|
|
*/ // @ts-ignore
|
||
|
|
const allExistingColumns = await varDatabaseDbHandler({
|
||
|
|
queryString: `SHOW COLUMNS FROM \`${tableName}\``,
|
||
|
|
database: dbFullName,
|
||
|
|
});
|
||
|
|
|
||
|
|
////////////////////////////////////////
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @type {string[]}
|
||
|
|
* @description Updated column names Array
|
||
|
|
*/
|
||
|
|
const updatedColumnsArray = [];
|
||
|
|
|
||
|
|
////////////////////////////////////////
|
||
|
|
////////////////////////////////////////
|
||
|
|
////////////////////////////////////////
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @description Iterate through every existing column
|
||
|
|
*/
|
||
|
|
for (let e = 0; e < allExistingColumns.length; e++) {
|
||
|
|
const { Field } = allExistingColumns[e];
|
||
|
|
|
||
|
|
if (Field.match(defaultFieldsRegexp)) continue;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @description This finds out whether the fieldName corresponds with the MSQL Field name
|
||
|
|
* if the fildName doesn't match any MYSQL Field name, the field is deleted.
|
||
|
|
*/
|
||
|
|
let existingEntry = upToDateTableFieldsArray.filter(
|
||
|
|
(column) =>
|
||
|
|
column.fieldName === Field || column.originName === Field
|
||
|
|
);
|
||
|
|
|
||
|
|
if (existingEntry && existingEntry[0]) {
|
||
|
|
/**
|
||
|
|
* @description Check if Field name has been updated
|
||
|
|
*/
|
||
|
|
if (
|
||
|
|
existingEntry[0].updatedField &&
|
||
|
|
existingEntry[0].fieldName
|
||
|
|
) {
|
||
|
|
updatedColumnsArray.push(existingEntry[0].fieldName);
|
||
|
|
|
||
|
|
const renameColumn = await varDatabaseDbHandler({
|
||
|
|
queryString: `ALTER TABLE ${tableName} RENAME COLUMN \`${existingEntry[0].originName}\` TO \`${existingEntry[0].fieldName}\``,
|
||
|
|
database: dbFullName,
|
||
|
|
});
|
||
|
|
|
||
|
|
console.log(
|
||
|
|
`Column Renamed from "${existingEntry[0].originName}" to "${existingEntry[0].fieldName}"`
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Update Db Schema
|
||
|
|
* ===================================================
|
||
|
|
* @description Update Db Schema after renaming column
|
||
|
|
*/
|
||
|
|
try {
|
||
|
|
const userSchemaData = dbSchema;
|
||
|
|
|
||
|
|
const targetDbIndex = userSchemaData.findIndex(
|
||
|
|
(db) => db.dbFullName === dbFullName
|
||
|
|
);
|
||
|
|
const targetTableIndex = userSchemaData[
|
||
|
|
targetDbIndex
|
||
|
|
].tables.findIndex(
|
||
|
|
(table) => table.tableName === tableName
|
||
|
|
);
|
||
|
|
const targetFieldIndex = userSchemaData[
|
||
|
|
targetDbIndex
|
||
|
|
].tables[targetTableIndex].fields.findIndex(
|
||
|
|
(field) =>
|
||
|
|
field.fieldName === existingEntry[0].fieldName
|
||
|
|
);
|
||
|
|
|
||
|
|
delete userSchemaData[targetDbIndex].tables[
|
||
|
|
targetTableIndex
|
||
|
|
].fields[targetFieldIndex]["originName"];
|
||
|
|
delete userSchemaData[targetDbIndex].tables[
|
||
|
|
targetTableIndex
|
||
|
|
].fields[targetFieldIndex]["updatedField"];
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @description Set New Table Fields Array
|
||
|
|
*/
|
||
|
|
upToDateTableFieldsArray =
|
||
|
|
userSchemaData[targetDbIndex].tables[
|
||
|
|
targetTableIndex
|
||
|
|
].fields;
|
||
|
|
|
||
|
|
fs.writeFileSync(
|
||
|
|
`${String(
|
||
|
|
process.env.DSQL_USER_DB_SCHEMA_PATH
|
||
|
|
)}/user-${userId}/main.json`,
|
||
|
|
JSON.stringify(userSchemaData),
|
||
|
|
"utf8"
|
||
|
|
);
|
||
|
|
} catch (/** @type {any} */ error) {
|
||
|
|
console.log("Update table error =>", error.message);
|
||
|
|
}
|
||
|
|
|
||
|
|
////////////////////////////////////////
|
||
|
|
}
|
||
|
|
|
||
|
|
////////////////////////////////////////
|
||
|
|
|
||
|
|
continue;
|
||
|
|
|
||
|
|
////////////////////////////////////////
|
||
|
|
} else {
|
||
|
|
await varDatabaseDbHandler({
|
||
|
|
queryString: `ALTER TABLE ${tableName} DROP COLUMN \`${Field}\``,
|
||
|
|
database: dbFullName,
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
////////////////////////////////////////
|
||
|
|
////////////////////////////////////////
|
||
|
|
////////////////////////////////////////
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Handle MYSQL Table Indexes
|
||
|
|
* ===================================================
|
||
|
|
* @description Iterate through each table index(if available)
|
||
|
|
* and perform operations
|
||
|
|
*/
|
||
|
|
for (let f = 0; f < allExistingIndexes.length; f++) {
|
||
|
|
const { Key_name, Index_comment } = allExistingIndexes[f];
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @description Check if this index was specifically created
|
||
|
|
* by datasquirel
|
||
|
|
*/
|
||
|
|
if (Index_comment?.match(/schema_index/)) {
|
||
|
|
try {
|
||
|
|
const existingKeyInSchema = tableIndexes?.filter(
|
||
|
|
(indexObject) => indexObject.alias === Key_name
|
||
|
|
);
|
||
|
|
if (!existingKeyInSchema?.[0])
|
||
|
|
throw new Error(
|
||
|
|
`This Index(${Key_name}) Has been Deleted!`
|
||
|
|
);
|
||
|
|
} catch (error) {
|
||
|
|
/**
|
||
|
|
* @description Drop Index: This happens when the MYSQL index is not
|
||
|
|
* present in the datasquirel DB schema
|
||
|
|
*/
|
||
|
|
await varDatabaseDbHandler({
|
||
|
|
queryString: `ALTER TABLE ${tableName} DROP INDEX \`${Key_name}\``,
|
||
|
|
database: dbFullName,
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Handle DATASQUIREL Table Indexes
|
||
|
|
* ===================================================
|
||
|
|
* @description Iterate through each datasquirel schema
|
||
|
|
* table index(if available), and perform operations
|
||
|
|
*/
|
||
|
|
if (tableIndexes && tableIndexes[0]) {
|
||
|
|
for (let g = 0; g < tableIndexes.length; g++) {
|
||
|
|
const { indexType, indexName, indexTableFields, alias } =
|
||
|
|
tableIndexes[g];
|
||
|
|
|
||
|
|
if (!alias?.match(/./)) continue;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @description Check for existing Index in MYSQL db
|
||
|
|
*/
|
||
|
|
try {
|
||
|
|
const existingKeyInDb = allExistingIndexes.filter(
|
||
|
|
(indexObject) => indexObject.Key_name === alias
|
||
|
|
);
|
||
|
|
if (!existingKeyInDb[0])
|
||
|
|
throw new Error("This Index Does not Exist");
|
||
|
|
} catch (error) {
|
||
|
|
/**
|
||
|
|
* @description Create new index if determined that it
|
||
|
|
* doesn't exist in MYSQL db
|
||
|
|
*/
|
||
|
|
await varDatabaseDbHandler({
|
||
|
|
queryString: `CREATE${
|
||
|
|
indexType?.match(/fullText/i) ? " FULLTEXT" : ""
|
||
|
|
} INDEX \`${alias}\` ON ${tableName}(${indexTableFields
|
||
|
|
?.map((nm) => nm.value)
|
||
|
|
.map((nm) => `\`${nm}\``)
|
||
|
|
.join(",")}) COMMENT 'schema_index'`,
|
||
|
|
database: dbFullName,
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
////////////////////////////////////////
|
||
|
|
////////////////////////////////////////
|
||
|
|
////////////////////////////////////////
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Handle MYSQL Foreign Keys
|
||
|
|
* ===================================================
|
||
|
|
* @description Iterate through each datasquirel schema
|
||
|
|
* table index(if available), and perform operations
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @description All MSQL Foreign Keys
|
||
|
|
* @type {import("../../types").DSQL_MYSQL_FOREIGN_KEYS_Type[] | null}
|
||
|
|
*/ // @ts-ignore
|
||
|
|
const allForeignKeys = await varDatabaseDbHandler({
|
||
|
|
queryString: `SELECT CONSTRAINT_NAME FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS WHERE CONSTRAINT_SCHEMA = '${dbFullName}' AND TABLE_NAME='${tableName}' AND CONSTRAINT_TYPE='FOREIGN KEY'`,
|
||
|
|
database: dbFullName,
|
||
|
|
});
|
||
|
|
|
||
|
|
if (allForeignKeys) {
|
||
|
|
for (let c = 0; c < allForeignKeys.length; c++) {
|
||
|
|
const { CONSTRAINT_NAME } = allForeignKeys[c];
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @description Skip if Key is the PRIMARY Key
|
||
|
|
*/
|
||
|
|
if (CONSTRAINT_NAME.match(/PRIMARY/)) continue;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @description Drop all foreign Keys to avoid MYSQL errors when adding/updating
|
||
|
|
* Foreign keys
|
||
|
|
*/
|
||
|
|
const dropForeignKey = await varDatabaseDbHandler({
|
||
|
|
queryString: `ALTER TABLE ${tableName} DROP FOREIGN KEY \`${CONSTRAINT_NAME}\``,
|
||
|
|
database: dbFullName,
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
////////////////////////////////////////
|
||
|
|
////////////////////////////////////////
|
||
|
|
////////////////////////////////////////
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Handle DATASQUIREL schema fields for current table
|
||
|
|
* ===================================================
|
||
|
|
* @description Iterate through each field object and
|
||
|
|
* perform operations
|
||
|
|
*/
|
||
|
|
for (let i = 0; i < upToDateTableFieldsArray.length; i++) {
|
||
|
|
const column = upToDateTableFieldsArray[i];
|
||
|
|
const prevColumn = upToDateTableFieldsArray[i - 1];
|
||
|
|
const nextColumn = upToDateTableFieldsArray[i + 1];
|
||
|
|
|
||
|
|
const {
|
||
|
|
fieldName,
|
||
|
|
dataType,
|
||
|
|
nullValue,
|
||
|
|
primaryKey,
|
||
|
|
autoIncrement,
|
||
|
|
defaultValue,
|
||
|
|
defaultValueLiteral,
|
||
|
|
foreignKey,
|
||
|
|
updatedField,
|
||
|
|
} = column;
|
||
|
|
|
||
|
|
////////////////////////////////////////
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @description Skip default fields
|
||
|
|
*/
|
||
|
|
if (fieldName?.match(/^id$|^date_/)) continue;
|
||
|
|
/**
|
||
|
|
* @description Skip columns that have been updated recently
|
||
|
|
*/
|
||
|
|
// if (updatedColumnsArray.includes(fieldName)) continue;
|
||
|
|
|
||
|
|
////////////////////////////////////////
|
||
|
|
|
||
|
|
let updateText = "";
|
||
|
|
|
||
|
|
////////////////////////////////////////
|
||
|
|
|
||
|
|
/** @type {any} */
|
||
|
|
let existingColumnIndex;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @description Existing MYSQL field object
|
||
|
|
*/
|
||
|
|
let existingColumn =
|
||
|
|
allExistingColumns && allExistingColumns[0]
|
||
|
|
? allExistingColumns.filter((_column, _index) => {
|
||
|
|
if (_column.Field === fieldName) {
|
||
|
|
existingColumnIndex = _index;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
})
|
||
|
|
: null;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @description Construct SQL text snippet for this field
|
||
|
|
*/
|
||
|
|
let { fieldEntryText } = generateColumnDescription({
|
||
|
|
columnData: column,
|
||
|
|
});
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @description Modify Column(Field) if it already exists
|
||
|
|
* in MYSQL database
|
||
|
|
*/
|
||
|
|
if (existingColumn && existingColumn[0]?.Field) {
|
||
|
|
const { Field, Type, Null, Key, Default, Extra } =
|
||
|
|
existingColumn[0];
|
||
|
|
|
||
|
|
let isColumnReordered = i < existingColumnIndex;
|
||
|
|
|
||
|
|
if (
|
||
|
|
Field === fieldName &&
|
||
|
|
!isColumnReordered &&
|
||
|
|
dataType?.toUpperCase() === Type.toUpperCase()
|
||
|
|
) {
|
||
|
|
updateText += `MODIFY COLUMN ${fieldEntryText}`;
|
||
|
|
// continue;
|
||
|
|
} else {
|
||
|
|
if (userId) {
|
||
|
|
updateText += `MODIFY COLUMN ${fieldEntryText}${
|
||
|
|
isColumnReordered
|
||
|
|
? prevColumn?.fieldName
|
||
|
|
? " AFTER `" + prevColumn.fieldName + "`"
|
||
|
|
: nextColumn?.fieldName
|
||
|
|
? " BEFORE `" + nextColumn.fieldName + "`"
|
||
|
|
: ""
|
||
|
|
: ""
|
||
|
|
}`;
|
||
|
|
} else {
|
||
|
|
updateText += `MODIFY COLUMN ${fieldEntryText}`;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else if (prevColumn && prevColumn.fieldName) {
|
||
|
|
/**
|
||
|
|
* @description Add new Column AFTER previous column, if
|
||
|
|
* previous column exists
|
||
|
|
*/
|
||
|
|
updateText += `ADD COLUMN ${fieldEntryText} AFTER \`${prevColumn.fieldName}\``;
|
||
|
|
} else if (nextColumn && nextColumn.fieldName) {
|
||
|
|
/**
|
||
|
|
* @description Add new Column BEFORE next column, if
|
||
|
|
* next column exists
|
||
|
|
*/
|
||
|
|
updateText += `ADD COLUMN ${fieldEntryText} BEFORE \`${nextColumn.fieldName}\``;
|
||
|
|
} else {
|
||
|
|
/**
|
||
|
|
* @description Append new column to the end of existing columns
|
||
|
|
*/
|
||
|
|
updateText += `ADD COLUMN ${fieldEntryText}`;
|
||
|
|
}
|
||
|
|
|
||
|
|
////////////////////////////////////////
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @description Pust SQL code snippet to updateTableQueryArray Array
|
||
|
|
* Add a comma(,) to separate from the next snippet
|
||
|
|
*/
|
||
|
|
updateTableQueryArray.push(updateText + ",");
|
||
|
|
|
||
|
|
////////////////////////////////////////
|
||
|
|
////////////////////////////////////////
|
||
|
|
////////////////////////////////////////
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @description Handle foreing keys if available, and if there is no
|
||
|
|
* "clone" boolean = true
|
||
|
|
*/
|
||
|
|
if (!clone && foreignKey) {
|
||
|
|
const {
|
||
|
|
destinationTableName,
|
||
|
|
destinationTableColumnName,
|
||
|
|
cascadeDelete,
|
||
|
|
cascadeUpdate,
|
||
|
|
foreignKeyName,
|
||
|
|
} = foreignKey;
|
||
|
|
|
||
|
|
const foreinKeyText = `ADD CONSTRAINT \`${foreignKeyName}\` FOREIGN KEY (${fieldName}) REFERENCES ${destinationTableName}(${destinationTableColumnName})${
|
||
|
|
cascadeDelete ? " ON DELETE CASCADE" : ""
|
||
|
|
}${cascadeUpdate ? " ON UPDATE CASCADE" : ""}`;
|
||
|
|
// const foreinKeyText = `ADD CONSTRAINT \`${foreignKeyName}\` FOREIGN KEY (${fieldName}) REFERENCES ${destinationTableName}(${destinationTableColumnName})${cascadeDelete ? " ON DELETE CASCADE" : ""}${cascadeUpdate ? " ON UPDATE CASCADE" : ""}` + ",";
|
||
|
|
|
||
|
|
const finalQueryString = `ALTER TABLE \`${tableName}\` ${foreinKeyText}`;
|
||
|
|
|
||
|
|
const addForeignKey = await varDatabaseDbHandler({
|
||
|
|
database: dbFullName,
|
||
|
|
queryString: finalQueryString,
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
////////////////////////////////////////
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @description Construct final SQL query by combning all SQL snippets in
|
||
|
|
* updateTableQueryArray Arry, and trimming the final comma(,)
|
||
|
|
*/
|
||
|
|
const updateTableQuery = updateTableQueryArray
|
||
|
|
.join(" ")
|
||
|
|
.replace(/,$/, "");
|
||
|
|
|
||
|
|
////////////////////////////////////////
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @description Check if SQL snippets array has more than 1 entries
|
||
|
|
* This is because 1 entry means "ALTER TABLE table_name" only, without any
|
||
|
|
* Alter directives like "ADD COLUMN" or "MODIFY COLUMN"
|
||
|
|
*/
|
||
|
|
if (updateTableQueryArray.length > 1) {
|
||
|
|
const updateTable = await varDatabaseDbHandler({
|
||
|
|
queryString: updateTableQuery,
|
||
|
|
database: dbFullName,
|
||
|
|
});
|
||
|
|
|
||
|
|
return updateTable;
|
||
|
|
} else {
|
||
|
|
/**
|
||
|
|
* @description If only 1 SQL snippet is left in updateTableQueryArray, this
|
||
|
|
* means that no updates have been made to the table
|
||
|
|
*/
|
||
|
|
return "No Changes Made to Table";
|
||
|
|
}
|
||
|
|
|
||
|
|
////////////////////////////////////////
|
||
|
|
////////////////////////////////////////
|
||
|
|
////////////////////////////////////////
|
||
|
|
} catch (/** @type {any} */ error) {
|
||
|
|
console.log('Error in "updateTable" shell function =>', error.message);
|
||
|
|
|
||
|
|
return "Error in Updating Table";
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
|
////////////////////////////////////////////////////////////////////////////////
|