127 lines
2.9 KiB
TypeScript
127 lines
2.9 KiB
TypeScript
export interface DynamicQueryStructure {
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select: string[] | "*";
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table: string;
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where?: Array<ConditionStructure>;
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join?: Array<DynamicQueryStructure & { foreignColumn: string }>;
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orderBy?: Array<OrderByStructure>;
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}
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export type ConditionStructure = (
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| {
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structureType: "condition";
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column: string;
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operation: WhereOperation;
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value: ConditionValue;
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}
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| {
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structureType: "nested";
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invert?: boolean;
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conditions: Array<ConditionStructure>;
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}
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) & {
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concat: WhereType;
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structureType: "condition" | "nested";
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};
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export type ConditionValue = FieldType | Array<FieldType> | { start: FieldType; end: FieldType };
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export type FieldType = number | string | Date | boolean;
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export type WhereType = "OR" | "AND" | "_"; // _ represents initial where in (sub-)query
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export type WhereOperation =
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| "eq" // Equal
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| "neq" // Not equal
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| "lt" // Less than
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| "lte" // Less than or equal to
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| "gt" // Greater than
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| "gte" // Greater than or equal to
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| "in" // Included in an array
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| "notIn" // Not included in an array
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| "contains" // Contains
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| "notContains" // Does not contain
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| "null" // Is null
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| "notNull" // Is not null
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| "between" // Is between
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| "startsWith" // Starts with
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| "endsWith" // Ends with
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| "timespanEq"; // Date before x years (YYYY-01-01 <bis> YYYY-12-31)
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// TODO: age between | age equals | age greater | age smaller
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export type OrderByStructure = {
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column: string;
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order: OrderByType;
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};
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export type OrderByType = "ASC" | "DESC";
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export const exampleQuery: DynamicQueryStructure = {
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select: ["firstname", "lastname"],
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table: "member",
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where: [
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{
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structureType: "condition",
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concat: "_",
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column: "mail",
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operation: "endsWith",
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value: "@gmail.com",
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},
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{
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structureType: "nested",
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concat: "AND",
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conditions: [
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{
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structureType: "condition",
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concat: "_",
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column: "firstname",
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operation: "startsWith",
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value: "J",
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},
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{
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structureType: "condition",
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concat: "OR",
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column: "lastname",
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operation: "startsWith",
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value: "K",
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},
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],
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},
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],
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join: [
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{
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select: "*",
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table: "communication",
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foreignColumn: "sendNewsletter",
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},
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{
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select: "*",
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table: "membership",
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foreignColumn: "memberships",
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join: [
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{
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select: "*",
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table: "membership_status",
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foreignColumn: "status",
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where: [
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{
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structureType: "condition",
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concat: "_",
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column: "status",
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operation: "eq",
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value: "aktiv",
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},
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],
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},
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],
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},
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],
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orderBy: [
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{
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column: "firstname",
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order: "ASC",
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},
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{
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column: "lastname",
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order: "ASC",
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},
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],
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};
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