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Add "IF NOT EXISTS" clause in MySQL and PostgreSQL export (#622)

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This commit is contained in:
Pranay Pandey
2025-10-07 12:10:44 +05:30
committed by GitHub
parent 97691fdf82
commit ae7667b969
3 changed files with 4 additions and 4 deletions
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4
src/utils/exportSQL/generic.js
View File

@@ -187,7 +187,7 @@ export function jsonToMySQL(obj) {
return `${obj.tables
.map(
(table) =>
`CREATE TABLE \`${table.name}\` (\n${table.fields
`CREATE TABLE IF NOT EXISTS \`${table.name}\` (\n${table.fields
.map(
(field) =>
`\t\`${
@@ -294,7 +294,7 @@ export function jsonToPostgreSQL(obj) {
)
.join("\n")}\n`
: ""
}CREATE TABLE "${table.name}" (\n${table.fields
}CREATE TABLE IF NOT EXISTS "${table.name}" (\n${table.fields
.map(
(field) =>
`${field.comment === "" ? "" : `\t-- ${field.comment}\n`}\t"${

2
src/utils/exportSQL/mysql.js
View File

@@ -24,7 +24,7 @@ export function toMySQL(diagram) {
return `${diagram.tables
.map(
(table) =>
`CREATE TABLE \`${table.name}\` (\n${table.fields
`CREATE TABLE IF NOT EXISTS \`${table.name}\` (\n${table.fields
.map(
(field) =>
`\t\`${field.name}\` ${parseType(field)}${

2
src/utils/exportSQL/postgres.js
View File

@@ -81,7 +81,7 @@ export function toPostgres(diagram) {
)
.join("\n");
return `CREATE TABLE "${table.name}" (\n${fieldDefinitions}${primaryKeyClause}${inheritsClause};\n\n${commentStatements}\n${indexStatements}`;
return `CREATE TABLE IF NOT EXISTS "${table.name}" (\n${fieldDefinitions}${primaryKeyClause}${inheritsClause};\n\n${commentStatements}\n${indexStatements}`;
})
.join("\n\n");