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Add "DROP TABLE" before "CREATE TABLE" in SQL export (#486) #517

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Add "DROP TABLE" before "CREATE TABLE" in SQL export (#486) #517

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73 changes: 38 additions & 35 deletions src/utils/exportSQL/generic.js
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Original file line number Diff line number Diff line change
Expand Up @@ -184,7 +184,7 @@ export function getTypeString(
}

export function jsonToMySQL(obj) {
return `${obj.tables
return `${obj.tables.map((table) => `DROP TABLE \`${table.name}\`;`).join("\n")}\n\n${obj.tables
.map(
(table) =>
`CREATE TABLE \`${table.name}\` (\n${table.fields
Expand Down Expand Up @@ -246,39 +246,42 @@ export function jsonToMySQL(obj) {
}

export function jsonToPostgreSQL(obj) {
return `${obj.types.map((type) => {
const typeStatements = type.fields
.filter((f) => f.type === "ENUM" || f.type === "SET")
.map(
(f) =>
`CREATE TYPE "${f.name}_t" AS ENUM (${f.values
.map((v) => `'${v}'`)
.join(", ")});`,
)
.join("\n");
if (typeStatements.length > 0) {
return (
typeStatements.join("") +
`${
type.comment === "" ? "" : `/**\n${type.comment}\n*/\n`
}CREATE TYPE ${type.name} AS (\n${type.fields
return `${obj.tables.map((table) => `DROP TABLE IF EXISTS \`${table.name}\`;`).join("\n")}\n${obj.types.map(
(type) => {
const typeStatements = type.fields
.filter((f) => f.type === "ENUM" || f.type === "SET")
.map(
(f) =>
`CREATE TYPE "${f.name}_t" AS ENUM (${f.values
.map((v) => `'${v}'`)
.join(", ")});`,
)
.join("\n");
if (typeStatements.length > 0) {
return (
typeStatements.join("") +
`${
type.comment === "" ? "" : `/**\n${type.comment}\n*/\n`
}CREATE TYPE ${type.name} AS (\n${type.fields
.map(
(f) =>
`\t${f.name} ${getTypeString(f, obj.database, DB.POSTGRES)}`,
)
.join("\n")}\n);`
);
} else {
return `CREATE TYPE ${type.name} AS (\n${type.fields
.map(
(f) => `\t${f.name} ${getTypeString(f, obj.database, DB.POSTGRES)}`,
)
.join("\n")}\n);`
);
} else {
return `CREATE TYPE ${type.name} AS (\n${type.fields
.map(
(f) => `\t${f.name} ${getTypeString(f, obj.database, DB.POSTGRES)}`,
)
.join(",\n")}\n);\n${
type.comment && type.comment.trim() != ""
? `\nCOMMENT ON TYPE ${type.name} IS '${escapeQuotes(type.comment)}';\n`
: ""
}`;
}
})}\n${obj.tables
.join(",\n")}\n);\n${
type.comment && type.comment.trim() != ""
? `\nCOMMENT ON TYPE ${type.name} IS '${escapeQuotes(type.comment)}';\n`
: ""
}`;
}
},
)}\n${obj.tables
.map(
(table) =>
`${
Expand Down Expand Up @@ -386,7 +389,7 @@ export function getSQLiteType(field) {
}

export function jsonToSQLite(obj) {
return obj.tables
return `${obj.tables.map((table) => `DROP TABLE IF EXISTS \`${table.name}\`;`).join("\n")}\n\n${obj.tables
.map((table) => {
const inlineFK = getInlineFK(table, obj);
return `${
Expand Down Expand Up @@ -423,11 +426,11 @@ export function jsonToSQLite(obj) {
)
.join("\n")}`;
})
.join("\n");
.join("\n")}`;
}

export function jsonToMariaDB(obj) {
return `${obj.tables
return `${obj.tables.map((table) => `DROP TABLE IF EXISTS \`${table.name}\`;`).join("\n")}\n\n${obj.tables
.map(
(table) =>
`CREATE OR REPLACE TABLE \`${table.name}\` (\n${table.fields
Expand Down Expand Up @@ -491,7 +494,7 @@ export function jsonToMariaDB(obj) {
}

export function jsonToSQLServer(obj) {
return `${obj.types
return `${obj.tables.map((table) => `DROP TABLE IF EXISTS [${table.name}];`).join("\n")}\n${obj.types
.map((type) => {
return `${
type.comment === "" ? "" : `/**\n${type.comment}\n*/\n`
Expand Down
2 changes: 1 addition & 1 deletion src/utils/exportSQL/mariadb.js
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@ function parseType(field) {
}

export function toMariaDB(diagram) {
return `${diagram.tables
return `${diagram.tables.map((table) => `DROP TABLE IF EXISTS \`${table.name}\`;`).join("\n")}\n\n${diagram.tables
.map(
(table) =>
`CREATE OR REPLACE TABLE \`${table.name}\` (\n${table.fields
Expand Down
3 changes: 2 additions & 1 deletion src/utils/exportSQL/mssql.js
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,7 @@ GO
}

export function toMSSQL(diagram) {
const dropTablesSql = `${diagram.tables.map((table) => `DROP TABLE IF EXISTS [${table.name}];`).join("\n")}\n\n`;
const tablesSql = diagram.tables
.map((table) => {
const fieldsSql = table.fields
Expand Down Expand Up @@ -88,7 +89,7 @@ export function toMSSQL(diagram) {
)
.join("");

return `${createTableSql}${tableCommentSql}${columnCommentsSql}${indicesSql}`;
return `${dropTablesSql}${createTableSql}${tableCommentSql}${columnCommentsSql}${indicesSql}`;
})
.join("\n");

Expand Down
2 changes: 1 addition & 1 deletion src/utils/exportSQL/mysql.js
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,7 @@ function parseType(field) {
}

export function toMySQL(diagram) {
return `${diagram.tables
return `${diagram.tables.map((table) => `DROP TABLE \`${table.name}\`;`).join("\n")}\n\n${diagram.tables
.map(
(table) =>
`CREATE TABLE \`${table.name}\` (\n${table.fields
Expand Down
2 changes: 1 addition & 1 deletion src/utils/exportSQL/postgres.js
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@ export function toPostgres(diagram) {
)
.join("\n");

return `${enumStatements}${enumStatements.trim() !== "" ? `\n${typeStatements}` : typeStatements}${diagram.tables
return `${diagram.tables.map((table) => `DROP TABLE IF EXISTS \`${table.name}\`;`).join("\n")}\n\n${enumStatements}${enumStatements.trim() !== "" ? `\n${typeStatements}` : typeStatements}${diagram.tables
.map(
(table) =>
`CREATE TABLE "${table.name}" (\n${table.fields
Expand Down
6 changes: 3 additions & 3 deletions src/utils/exportSQL/sqlite.js
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@ import { exportFieldComment, getInlineFK, parseDefault } from "./shared";
import { dbToTypes } from "../../data/datatypes";

export function toSqlite(diagram) {
return diagram.tables
return `${diagram.tables.map((table) => `DROP TABLE IF EXISTS \`${table.name}\`;`).join("\n")}\n\n${diagram.tables
.map((table) => {
const inlineFK = getInlineFK(table, diagram);
return `${
Expand Down Expand Up @@ -40,5 +40,5 @@ export function toSqlite(diagram) {
)
.join("\n")}`;
})
.join("\n");
}
.join("\n")}`;
}