From 48f9e1991345856ae7dbb81430b97683640ebd10 Mon Sep 17 00:00:00 2001
From: "j.goderbauer" <j.goderbauer@adito.de>
Date: Wed, 25 Nov 2020 10:32:47 +0100
Subject: [PATCH] Liquibase: Prepare lib for generating liquiscritps for
upgrade
---
process/Liquibase_lib/process.js | 39 +++++++++++++++++++++++++++-----
1 file changed, 33 insertions(+), 6 deletions(-)
diff --git a/process/Liquibase_lib/process.js b/process/Liquibase_lib/process.js
index 65cfed3485..b3e976bbae 100644
--- a/process/Liquibase_lib/process.js
+++ b/process/Liquibase_lib/process.js
@@ -77,7 +77,7 @@ LiquiUtils.exportAllTablesAsLiquibaseFiles = function(pOutFolderPath, pAuthor, p
*/
LiquiUtils.exportTableAsLiquibaseFiles = function(pPath, pTableName, pColumns, pCondition, pAuthor, pIncludeClearTableDirective, pAlias, pGenerateChangeSetIdFromArguments, pBlobCallbackFn, pFileName)
{
- var resXml = LiquiUtils._getDataXml(pAuthor, pPath, pTableName, pColumns, pCondition, pIncludeClearTableDirective, pAlias, pGenerateChangeSetIdFromArguments, pBlobCallbackFn);
+ var resXml = LiquiUtils.getDataXmlFromDB(pAuthor, pPath, pTableName, pColumns, pCondition, pIncludeClearTableDirective, pAlias, pGenerateChangeSetIdFromArguments, pBlobCallbackFn);
if (resXml == "")
return {exported: false};
var fileName = pFileName || pTableName;
@@ -108,17 +108,44 @@ LiquiUtils.exportTableAsLiquibaseFiles = function(pPath, pTableName, pColumns, p
*
* @return {String} the liquibase-changest in xml-form
*/
-LiquiUtils._getDataXml = function(pAuthor, pLobPath, pTableName, pColumns, pCondition, pIncludeClearTableDirective, pAlias, pGenerateChangeSetIdFromArguments, pBlobCallbackFn)
+LiquiUtils.getDataXmlFromDB = function(pAuthor, pLobPath, pTableName, pColumns, pCondition, pIncludeClearTableDirective, pAlias, pGenerateChangeSetIdFromArguments, pBlobCallbackFn)
{
+ var alias = pAlias || db.getCurrentAlias();
+ var dbData = db.table("select " + columns.join(", ") + " from " + pTableName + " " + (pCondition ? "where " + pCondition : ""), alias);
+ return LiquiUtils.getDataXml(pAuthor, pLobPath, pTableName, pColumns, dbData, pIncludeClearTableDirective, pAlias, pGenerateChangeSetIdFromArguments, pBlobCallbackFn);
+}
+
+/**
+* generates from a table a xml-changeset for liquibase; determines the correct liquibase-xml-attribute by db-column-type;
+* if a value is empty it will not be added to the xml; will load the data at once (no paging);
+* if the data contains a long CLOB-value that value has to and will be stored on the server-filesystem;
+* if the data contains any BLOB-value that value has to and will be stored on the server-filesystem;
+*
+* @param {String} [pAuthor="autogenerated"] author that will be written into the changeset
+* @param {String} [pLobPath=not set] file-path where lob files and folders will be created; the folder must be on the server;
+* if you've no lob-fields you don't have to specify somehing here
+* @param {String} pTableName name of the DB-table that will be exported; this is also the name of the file that is stored
+* @param {Array} [pColumns=all columns within the table] db-columns within the table that will be exported
+* @param {String} [pData=undefined] db-condition to limit the data that will be exported; if nothing given the whole content will be exported
+* @param {Boolean} [pIncludeClearTableDirective=false] if true, a delete element is added at the beginning of the changeset for the table
+* @param {String} [pAlias=current db-alias] alias where the data will be loaded from
+* @param {Boolean} [pGenerateChangeSetIdFromArguments=false] if true the id of the changeset will be generated by the passed arguments to this function
+* @param {function} [pBlobCallbackFn=undefined] function that returns the filename for a stored file (only for BLOB-databasetypes). <br/>
+* if nothing is specified, the filename is generated automatically with a hash of the content <br/>
+* The callback function retrieves all the arguments of the LiquiXTable.prototype.addBlobCol-function
+*
+* @return {String} the liquibase-changest in xml-form
+*/
+LiquiUtils.getDataXml = function(pAuthor, pLobPath, pTableName, pColumns, pData, pIncludeClearTableDirective, pAlias, pGenerateChangeSetIdFromArguments, pBlobCallbackFn)
+{
+ if (!pData)
+ return "";
var author = pAuthor || "autogenerated";
var alias = pAlias || db.getCurrentAlias();
//cannot be added within jdito code to the XML-object, so instead add it as string
var XML_HEADER_LINE = LiquiXmlUtils.xmlHeaderLineStr();
var columns = pColumns || db.getColumns(pTableName, alias);
- var dbData = db.table("select " + columns.join(", ") + " from " + pTableName + " " + (pCondition ? "where " + pCondition : ""), alias);
- if (dbData.length == 0)
- return "";
var colTypes = db.getColumnTypes(pTableName, columns, alias);//needed to determine the correct liquibase function
//every type has its function that accepts a columnName- and a value-parameter
//so let's dertermine once the corresponding funtion to its type for faster access
@@ -157,7 +184,7 @@ LiquiUtils._getDataXml = function(pAuthor, pLobPath, pTableName, pColumns, pCond
var changeLogXml = LiquiXmlUtils.databaseChangeLogWithChangeSet(author, changesetId);
if (pIncludeClearTableDirective)
changeLogXml.changeSet.appendChild(<delete tableName={pTableName}/>);
- dbData.forEach(function(row)
+ pData.forEach(function(row)
{
var rowObj = {};
for (let i = 0; i < columnLen; i++)
--
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