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[add] output:database:postgresql

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Christian Fraß 2024-06-03 09:15:52 +02:00
parent d2cfb7206f
commit ea9d8db0f8
2 changed files with 236 additions and 0 deletions
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235
source/outputs/database/postgresql/logic.ts Normal file
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@ -0,0 +1,235 @@
namespace _sindri.outputs.database.postgresql
{
/**
*/
function value_encode(
value : any
) : string
{
if (value === null) {
return "NULL";
}
else {
switch (typeof(value)) {
case "boolean": {
return (value ? "TRUE" : "FALSE");
break;
}
case "number": {
return value.toString();
break;
}
case "string": {
return ("'" + value + "'");
break;
}
default: {
throw (new Error("unhandled"));
break;
}
}
}
}
/**
*/
export function render(
input_data
) : string
{
return (
input_data.domains
.map(
(domain) => lib_plankton.string.coin(
"CREATE TABLE\n\t{{name}}(\n{{entries}}\n\t)\n;\n{{comments}}",
{
"name": domain.name,
"entries": (
(
[]
// key field
.concat(
(domain.key_field === null)
? []
: lib_plankton.string.coin(
"{{name}} {{parameters}}",
{
"name": domain.key_field.name,
"parameters": (
[
"SERIAL",
]
.join(" ")
),
}
)
)
// data fields
.concat(
domain.data_fields
.map(
(data_field) => lib_plankton.string.coin(
"{{name}} {{parameters}}",
{
"name": data_field.name,
"parameters": (
(
// type
[
{
"boolean": "BOOLEAN",
"integer": "INTEGER",
"string_short": "VARCHAR(63)",
"string_medium": "VARCHAR(255)",
"string_long": "TEXT",
}[data_field.type],
]
// nullability
.concat(
data_field.nullable
? ["NULL"]
: []
)
// default
.concat(
(data_field.default === undefined)
? []
: [
lib_plankton.string.coin(
"DEFAULT {{value}}",
{
"value": value_encode(data_field.default),
}
),
]
)
)
.join(" ")
)
}
)
)
)
// constraints
.concat(
domain["constraints"]
.map(
(constraint) => {
switch (constraint.kind) {
default: {
throw (new Error("unhandled constraint kind: " + constraint.kind));
break;
}
case "foreign_key": {
return lib_plankton.string.coin(
"FOREIGN KEY ({{fields}}) REFERENCES {{reference_name}}({{reference_fields}})",
{
"fields": (
constraint.parameters["fields"]
.map(x => ('' + x + ''))
.join(",")
),
"reference_name": constraint.parameters["reference"]["name"],
"reference_fields": (
constraint.parameters["reference"]["fields"]
.map(x => ('' + x + ''))
.join(",")
),
}
);
break;
}
case "unique": {
return lib_plankton.string.coin(
"UNIQUE ({{fields}})",
{
"fields": (
constraint.parameters["fields"]
.map(x => ('' + x + ''))
.join(",")
),
}
);
break;
}
}
}
)
)
)
.map(x => ("\t\t" + x))
.join(",\n")
),
"comments": (
(
[]
.concat(
(domain.description === null)
? []
: [
{
"kind": "TABLE",
"subject": domain.name,
"value": domain.description,
}
]
)
.concat(
(domain.key_field === null)
? []
: [
{
"kind": "COLUMN",
"subject": (domain.name + "." + domain.key_field.name),
"value": domain.description,
}
]
)
.concat(
domain.data_fields
.filter(
data_field => (! (data_field.description === null))
)
.map(
data_field => ({
"kind": "COLUMN",
"subject": (domain.name + "." + data_field.name),
"value": data_field.description,
})
)
)
)
.map(
entry => lib_plankton.string.coin(
"COMMENT ON {{kind}} {{subject}} IS '{{value}}';",
{
"kind": entry.kind,
"subject": entry.subject,
"value": entry.value,
}
)
)
.join("\n")
),
}
)
)
.map(x => (x + "\n"))
.join("\n")
);
}
}
/**
*/
_sindri.add_output(
_sindri.enum_realm.database,
"postgresql",
{
"render": (x) => Promise.resolve<string>(_sindri.outputs.database.postgresql.render(x)),
}
);

1
tools/makefile
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@ -21,6 +21,7 @@ source/base.ts \
source/outputs/other/jsonschema/logic.ts \ source/outputs/other/jsonschema/logic.ts \
source/outputs/database/sqlite/logic.ts \ source/outputs/database/sqlite/logic.ts \
source/outputs/database/mysql/logic.ts \ source/outputs/database/mysql/logic.ts \
source/outputs/database/postgresql/logic.ts \
source/outputs/backend/typescript/logic.ts \ source/outputs/backend/typescript/logic.ts \
source/outputs/frontend/typescript/logic.ts \ source/outputs/frontend/typescript/logic.ts \
source/conf.ts \ source/conf.ts \