diff --git a/apps/api/src/db/0025_submission_problem_user_idx.sql b/apps/api/src/db/0025_submission_problem_user_idx.sql
new file mode 100644
index 0000000..f0eae6a
--- /dev/null
+++ b/apps/api/src/db/0025_submission_problem_user_idx.sql
@@ -0,0 +1 @@
+CREATE INDEX "submission_public_problem_user_idx" ON "submission" USING btree ("problem_id","user_id","result") WHERE "submission"."contest_id" is null;
\ No newline at end of file
diff --git a/apps/api/src/db/meta/0025_snapshot.json b/apps/api/src/db/meta/0025_snapshot.json
new file mode 100644
index 0000000..7dd987a
--- /dev/null
+++ b/apps/api/src/db/meta/0025_snapshot.json
@@ -0,0 +1,4134 @@
+{
+ "id": "078927db-9fd3-47c6-973f-b55739842b3e",
+ "prevId": "91d14703-3375-40fb-9726-4923f712876e",
+ "version": "7",
+ "dialect": "postgresql",
+ "tables": {
+ "public.achievement": {
+ "name": "achievement",
+ "schema": "",
+ "columns": {
+ "id": {
+ "name": "id",
+ "type": "bigint",
+ "primaryKey": true,
+ "notNull": true,
+ "identity": {
+ "type": "byDefault",
+ "name": "achievement_id_seq",
+ "schema": "public",
+ "increment": "1",
+ "startWith": "1",
+ "minValue": "1",
+ "maxValue": "9223372036854775807",
+ "cache": "1",
+ "cycle": false
+ }
+ },
+ "name": {
+ "name": "name",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "description": {
+ "name": "description",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "icon": {
+ "name": "icon",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "rarity": {
+ "name": "rarity",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "hidden": {
+ "name": "hidden",
+ "type": "boolean",
+ "primaryKey": false,
+ "notNull": true,
+ "default": false
+ },
+ "metric": {
+ "name": "metric",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "operator": {
+ "name": "operator",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "threshold": {
+ "name": "threshold",
+ "type": "integer",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "visible": {
+ "name": "visible",
+ "type": "boolean",
+ "primaryKey": false,
+ "notNull": true,
+ "default": true
+ },
+ "unlock_count": {
+ "name": "unlock_count",
+ "type": "integer",
+ "primaryKey": false,
+ "notNull": true,
+ "default": 0
+ },
+ "order": {
+ "name": "order",
+ "type": "integer",
+ "primaryKey": false,
+ "notNull": true,
+ "default": 0
+ },
+ "create_time": {
+ "name": "create_time",
+ "type": "timestamp with time zone",
+ "primaryKey": false,
+ "notNull": true
+ }
+ },
+ "indexes": {},
+ "foreignKeys": {},
+ "compositePrimaryKeys": {},
+ "uniqueConstraints": {},
+ "policies": {},
+ "checkConstraints": {},
+ "isRLSEnabled": false
+ },
+ "public.acm_contest_rank": {
+ "name": "acm_contest_rank",
+ "schema": "",
+ "columns": {
+ "id": {
+ "name": "id",
+ "type": "serial",
+ "primaryKey": true,
+ "notNull": true
+ },
+ "submission_number": {
+ "name": "submission_number",
+ "type": "integer",
+ "primaryKey": false,
+ "notNull": true,
+ "default": 0
+ },
+ "accepted_number": {
+ "name": "accepted_number",
+ "type": "integer",
+ "primaryKey": false,
+ "notNull": true,
+ "default": 0
+ },
+ "total_time": {
+ "name": "total_time",
+ "type": "integer",
+ "primaryKey": false,
+ "notNull": true,
+ "default": 0
+ },
+ "submission_info": {
+ "name": "submission_info",
+ "type": "jsonb",
+ "primaryKey": false,
+ "notNull": true,
+ "default": "'{}'::jsonb"
+ },
+ "contest_id": {
+ "name": "contest_id",
+ "type": "integer",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "user_id": {
+ "name": "user_id",
+ "type": "integer",
+ "primaryKey": false,
+ "notNull": true
+ }
+ },
+ "indexes": {
+ "acm_rank_contest_user_idx": {
+ "name": "acm_rank_contest_user_idx",
+ "columns": [
+ {
+ "expression": "contest_id",
+ "isExpression": false,
+ "asc": true,
+ "nulls": "last",
+ "opclass": "int4_ops"
+ },
+ {
+ "expression": "user_id",
+ "isExpression": false,
+ "asc": true,
+ "nulls": "last",
+ "opclass": "int4_ops"
+ }
+ ],
+ "isUnique": false,
+ "concurrently": false,
+ "method": "btree",
+ "with": {}
+ },
+ "acm_rank_order_idx": {
+ "name": "acm_rank_order_idx",
+ "columns": [
+ {
+ "expression": "contest_id",
+ "isExpression": false,
+ "asc": true,
+ "nulls": "last",
+ "opclass": "int4_ops"
+ },
+ {
+ "expression": "accepted_number",
+ "isExpression": false,
+ "asc": true,
+ "nulls": "last",
+ "opclass": "int4_ops"
+ },
+ {
+ "expression": "total_time",
+ "isExpression": false,
+ "asc": true,
+ "nulls": "last",
+ "opclass": "int4_ops"
+ }
+ ],
+ "isUnique": false,
+ "concurrently": false,
+ "method": "btree",
+ "with": {}
+ }
+ },
+ "foreignKeys": {
+ "acm_contest_rank_contest_id_21030ccd_fk_contest_id": {
+ "name": "acm_contest_rank_contest_id_21030ccd_fk_contest_id",
+ "tableFrom": "acm_contest_rank",
+ "tableTo": "contest",
+ "columnsFrom": [
+ "contest_id"
+ ],
+ "columnsTo": [
+ "id"
+ ],
+ "onDelete": "no action",
+ "onUpdate": "no action"
+ },
+ "acm_contest_rank_user_id_40391ab2_fk_user_id": {
+ "name": "acm_contest_rank_user_id_40391ab2_fk_user_id",
+ "tableFrom": "acm_contest_rank",
+ "tableTo": "user",
+ "columnsFrom": [
+ "user_id"
+ ],
+ "columnsTo": [
+ "id"
+ ],
+ "onDelete": "no action",
+ "onUpdate": "no action"
+ }
+ },
+ "compositePrimaryKeys": {},
+ "uniqueConstraints": {
+ "unique_acm_rank_user_contest": {
+ "name": "unique_acm_rank_user_contest",
+ "nullsNotDistinct": false,
+ "columns": [
+ "contest_id",
+ "user_id"
+ ]
+ }
+ },
+ "policies": {},
+ "checkConstraints": {},
+ "isRLSEnabled": false
+ },
+ "public.ai_analysis": {
+ "name": "ai_analysis",
+ "schema": "",
+ "columns": {
+ "id": {
+ "name": "id",
+ "type": "bigint",
+ "primaryKey": true,
+ "notNull": true,
+ "identity": {
+ "type": "byDefault",
+ "name": "ai_analysis_id_seq",
+ "schema": "public",
+ "increment": "1",
+ "startWith": "1",
+ "minValue": "1",
+ "maxValue": "9223372036854775807",
+ "cache": "1",
+ "cycle": false
+ }
+ },
+ "provider": {
+ "name": "provider",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "data": {
+ "name": "data",
+ "type": "jsonb",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "system_prompt": {
+ "name": "system_prompt",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "user_prompt": {
+ "name": "user_prompt",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "analysis": {
+ "name": "analysis",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "create_time": {
+ "name": "create_time",
+ "type": "timestamp with time zone",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "user_id": {
+ "name": "user_id",
+ "type": "integer",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "model": {
+ "name": "model",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "is_pinned": {
+ "name": "is_pinned",
+ "type": "boolean",
+ "primaryKey": false,
+ "notNull": true
+ }
+ },
+ "indexes": {
+ "ai_analysis_user_id_3aa23011": {
+ "name": "ai_analysis_user_id_3aa23011",
+ "columns": [
+ {
+ "expression": "user_id",
+ "isExpression": false,
+ "asc": true,
+ "nulls": "last",
+ "opclass": "int4_ops"
+ }
+ ],
+ "isUnique": false,
+ "concurrently": false,
+ "method": "btree",
+ "with": {}
+ }
+ },
+ "foreignKeys": {
+ "ai_analysis_user_id_3aa23011_fk_user_id": {
+ "name": "ai_analysis_user_id_3aa23011_fk_user_id",
+ "tableFrom": "ai_analysis",
+ "tableTo": "user",
+ "columnsFrom": [
+ "user_id"
+ ],
+ "columnsTo": [
+ "id"
+ ],
+ "onDelete": "no action",
+ "onUpdate": "no action"
+ }
+ },
+ "compositePrimaryKeys": {},
+ "uniqueConstraints": {},
+ "policies": {},
+ "checkConstraints": {},
+ "isRLSEnabled": false
+ },
+ "public.ai_hint": {
+ "name": "ai_hint",
+ "schema": "",
+ "columns": {
+ "id": {
+ "name": "id",
+ "type": "bigint",
+ "primaryKey": true,
+ "notNull": true,
+ "identity": {
+ "type": "byDefault",
+ "name": "ai_hint_id_seq",
+ "schema": "public",
+ "increment": "1",
+ "startWith": "1",
+ "minValue": "1",
+ "maxValue": "9223372036854775807",
+ "cache": "1",
+ "cycle": false
+ }
+ },
+ "submission_id": {
+ "name": "submission_id",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "model": {
+ "name": "model",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "prompt_version": {
+ "name": "prompt_version",
+ "type": "integer",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "content": {
+ "name": "content",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "error": {
+ "name": "error",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": false
+ },
+ "duration_ms": {
+ "name": "duration_ms",
+ "type": "integer",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "diagnosis": {
+ "name": "diagnosis",
+ "type": "jsonb",
+ "primaryKey": false,
+ "notNull": false
+ },
+ "diagnosis_error": {
+ "name": "diagnosis_error",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": false
+ },
+ "level": {
+ "name": "level",
+ "type": "integer",
+ "primaryKey": false,
+ "notNull": false
+ },
+ "filter_attempt": {
+ "name": "filter_attempt",
+ "type": "integer",
+ "primaryKey": false,
+ "notNull": false
+ },
+ "filter_blocked": {
+ "name": "filter_blocked",
+ "type": "boolean",
+ "primaryKey": false,
+ "notNull": false
+ },
+ "filter_reason": {
+ "name": "filter_reason",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": false
+ },
+ "helpful": {
+ "name": "helpful",
+ "type": "boolean",
+ "primaryKey": false,
+ "notNull": false
+ },
+ "feedback_time": {
+ "name": "feedback_time",
+ "type": "timestamp with time zone",
+ "primaryKey": false,
+ "notNull": false
+ },
+ "create_time": {
+ "name": "create_time",
+ "type": "timestamp with time zone",
+ "primaryKey": false,
+ "notNull": true
+ }
+ },
+ "indexes": {
+ "ai_hint_submission_id_idx": {
+ "name": "ai_hint_submission_id_idx",
+ "columns": [
+ {
+ "expression": "submission_id",
+ "isExpression": false,
+ "asc": true,
+ "nulls": "last"
+ }
+ ],
+ "isUnique": false,
+ "concurrently": false,
+ "method": "btree",
+ "with": {}
+ }
+ },
+ "foreignKeys": {
+ "ai_hint_submission_id_fk_submission_id": {
+ "name": "ai_hint_submission_id_fk_submission_id",
+ "tableFrom": "ai_hint",
+ "tableTo": "submission",
+ "columnsFrom": [
+ "submission_id"
+ ],
+ "columnsTo": [
+ "id"
+ ],
+ "onDelete": "cascade",
+ "onUpdate": "no action"
+ }
+ },
+ "compositePrimaryKeys": {},
+ "uniqueConstraints": {},
+ "policies": {},
+ "checkConstraints": {},
+ "isRLSEnabled": false
+ },
+ "public.announcement": {
+ "name": "announcement",
+ "schema": "",
+ "columns": {
+ "id": {
+ "name": "id",
+ "type": "serial",
+ "primaryKey": true,
+ "notNull": true
+ },
+ "title": {
+ "name": "title",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "content": {
+ "name": "content",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "create_time": {
+ "name": "create_time",
+ "type": "timestamp with time zone",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "last_update_time": {
+ "name": "last_update_time",
+ "type": "timestamp with time zone",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "visible": {
+ "name": "visible",
+ "type": "boolean",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "created_by_id": {
+ "name": "created_by_id",
+ "type": "integer",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "tag": {
+ "name": "tag",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "top": {
+ "name": "top",
+ "type": "boolean",
+ "primaryKey": false,
+ "notNull": true
+ }
+ },
+ "indexes": {
+ "announcement_created_by_id_359ccf50": {
+ "name": "announcement_created_by_id_359ccf50",
+ "columns": [
+ {
+ "expression": "created_by_id",
+ "isExpression": false,
+ "asc": true,
+ "nulls": "last",
+ "opclass": "int4_ops"
+ }
+ ],
+ "isUnique": false,
+ "concurrently": false,
+ "method": "btree",
+ "with": {}
+ },
+ "announcement_list_idx": {
+ "name": "announcement_list_idx",
+ "columns": [
+ {
+ "expression": "visible",
+ "isExpression": false,
+ "asc": true,
+ "nulls": "last"
+ },
+ {
+ "expression": "top",
+ "isExpression": false,
+ "asc": false,
+ "nulls": "first"
+ },
+ {
+ "expression": "create_time",
+ "isExpression": false,
+ "asc": false,
+ "nulls": "first"
+ }
+ ],
+ "isUnique": false,
+ "concurrently": false,
+ "method": "btree",
+ "with": {}
+ }
+ },
+ "foreignKeys": {
+ "announcement_created_by_id_359ccf50_fk_user_id": {
+ "name": "announcement_created_by_id_359ccf50_fk_user_id",
+ "tableFrom": "announcement",
+ "tableTo": "user",
+ "columnsFrom": [
+ "created_by_id"
+ ],
+ "columnsTo": [
+ "id"
+ ],
+ "onDelete": "no action",
+ "onUpdate": "no action"
+ }
+ },
+ "compositePrimaryKeys": {},
+ "uniqueConstraints": {},
+ "policies": {},
+ "checkConstraints": {},
+ "isRLSEnabled": false
+ },
+ "public.class_lesson": {
+ "name": "class_lesson",
+ "schema": "",
+ "columns": {
+ "id": {
+ "name": "id",
+ "type": "integer",
+ "primaryKey": true,
+ "notNull": true,
+ "identity": {
+ "type": "byDefault",
+ "name": "class_lesson_id_seq",
+ "schema": "public",
+ "increment": "1",
+ "startWith": "1",
+ "minValue": "1",
+ "maxValue": "2147483647",
+ "cache": "1",
+ "cycle": false
+ }
+ },
+ "class_name": {
+ "name": "class_name",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "day": {
+ "name": "day",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": true
+ },
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+ "name": "problem_ids",
+ "type": "jsonb",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "language": {
+ "name": "language",
+ "type": "text",
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+ "type": "integer",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "updated_at": {
+ "name": "updated_at",
+ "type": "timestamp with time zone",
+ "primaryKey": false,
+ "notNull": true
+ }
+ },
+ "indexes": {
+ "class_lesson_created_by_idx": {
+ "name": "class_lesson_created_by_idx",
+ "columns": [
+ {
+ "expression": "created_by",
+ "isExpression": false,
+ "asc": true,
+ "nulls": "last"
+ }
+ ],
+ "isUnique": false,
+ "concurrently": false,
+ "method": "btree",
+ "with": {}
+ }
+ },
+ "foreignKeys": {
+ "class_lesson_created_by_fk_user_id": {
+ "name": "class_lesson_created_by_fk_user_id",
+ "tableFrom": "class_lesson",
+ "tableTo": "user",
+ "columnsFrom": [
+ "created_by"
+ ],
+ "columnsTo": [
+ "id"
+ ],
+ "onDelete": "cascade",
+ "onUpdate": "no action"
+ }
+ },
+ "compositePrimaryKeys": {},
+ "uniqueConstraints": {
+ "class_lesson_class_day_unique": {
+ "name": "class_lesson_class_day_unique",
+ "nullsNotDistinct": false,
+ "columns": [
+ "class_name",
+ "day"
+ ]
+ }
+ },
+ "policies": {},
+ "checkConstraints": {},
+ "isRLSEnabled": false
+ },
+ "public.contest": {
+ "name": "contest",
+ "schema": "",
+ "columns": {
+ "id": {
+ "name": "id",
+ "type": "serial",
+ "primaryKey": true,
+ "notNull": true
+ },
+ "title": {
+ "name": "title",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "description": {
+ "name": "description",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "password": {
+ "name": "password",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": false
+ },
+ "start_time": {
+ "name": "start_time",
+ "type": "timestamp with time zone",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "end_time": {
+ "name": "end_time",
+ "type": "timestamp with time zone",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "create_time": {
+ "name": "create_time",
+ "type": "timestamp with time zone",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "last_update_time": {
+ "name": "last_update_time",
+ "type": "timestamp with time zone",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "visible": {
+ "name": "visible",
+ "type": "boolean",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "created_by_id": {
+ "name": "created_by_id",
+ "type": "integer",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "tag": {
+ "name": "tag",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": true
+ }
+ },
+ "indexes": {
+ "contest_created_by_id_a763ca7e": {
+ "name": "contest_created_by_id_a763ca7e",
+ "columns": [
+ {
+ "expression": "created_by_id",
+ "isExpression": false,
+ "asc": true,
+ "nulls": "last",
+ "opclass": "int4_ops"
+ }
+ ],
+ "isUnique": false,
+ "concurrently": false,
+ "method": "btree",
+ "with": {}
+ }
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+ "foreignKeys": {
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+ "tableFrom": "contest",
+ "tableTo": "user",
+ "columnsFrom": [
+ "created_by_id"
+ ],
+ "columnsTo": [
+ "id"
+ ],
+ "onDelete": "no action",
+ "onUpdate": "no action"
+ }
+ },
+ "compositePrimaryKeys": {},
+ "uniqueConstraints": {},
+ "policies": {},
+ "checkConstraints": {},
+ "isRLSEnabled": false
+ },
+ "public.exercise": {
+ "name": "exercise",
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+ "columns": {
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+ "name": "id",
+ "type": "integer",
+ "primaryKey": true,
+ "notNull": true,
+ "identity": {
+ "type": "byDefault",
+ "name": "exercise_id_seq",
+ "schema": "public",
+ "increment": "1",
+ "startWith": "1",
+ "minValue": "1",
+ "maxValue": "2147483647",
+ "cache": "1",
+ "cycle": false
+ }
+ },
+ "type": {
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+ "type": "varchar(16)",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "data": {
+ "name": "data",
+ "type": "jsonb",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "order": {
+ "name": "order",
+ "type": "integer",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "created_at": {
+ "name": "created_at",
+ "type": "timestamp with time zone",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "tutorial_id": {
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+ "isUnique": false,
+ "concurrently": false,
+ "method": "btree",
+ "with": {}
+ },
+ "user_class_name_idx": {
+ "name": "user_class_name_idx",
+ "columns": [
+ {
+ "expression": "class_name",
+ "isExpression": false,
+ "asc": true,
+ "nulls": "last"
+ }
+ ],
+ "isUnique": false,
+ "concurrently": false,
+ "method": "btree",
+ "with": {}
+ }
+ },
+ "foreignKeys": {},
+ "compositePrimaryKeys": {},
+ "uniqueConstraints": {
+ "user_username_key": {
+ "name": "user_username_key",
+ "nullsNotDistinct": false,
+ "columns": [
+ "username"
+ ]
+ }
+ },
+ "policies": {},
+ "checkConstraints": {},
+ "isRLSEnabled": false
+ },
+ "public.user_achievement": {
+ "name": "user_achievement",
+ "schema": "",
+ "columns": {
+ "id": {
+ "name": "id",
+ "type": "bigint",
+ "primaryKey": true,
+ "notNull": true,
+ "identity": {
+ "type": "byDefault",
+ "name": "user_achievement_id_seq",
+ "schema": "public",
+ "increment": "1",
+ "startWith": "1",
+ "minValue": "1",
+ "maxValue": "9223372036854775807",
+ "cache": "1",
+ "cycle": false
+ }
+ },
+ "unlock_time": {
+ "name": "unlock_time",
+ "type": "timestamp with time zone",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "backfilled": {
+ "name": "backfilled",
+ "type": "boolean",
+ "primaryKey": false,
+ "notNull": true,
+ "default": false
+ },
+ "notified": {
+ "name": "notified",
+ "type": "boolean",
+ "primaryKey": false,
+ "notNull": true,
+ "default": false
+ },
+ "achievement_id": {
+ "name": "achievement_id",
+ "type": "bigint",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "user_id": {
+ "name": "user_id",
+ "type": "integer",
+ "primaryKey": false,
+ "notNull": true
+ }
+ },
+ "indexes": {
+ "user_achievement_achievement_id_29db600d": {
+ "name": "user_achievement_achievement_id_29db600d",
+ "columns": [
+ {
+ "expression": "achievement_id",
+ "isExpression": false,
+ "asc": true,
+ "nulls": "last",
+ "opclass": "int8_ops"
+ }
+ ],
+ "isUnique": false,
+ "concurrently": false,
+ "method": "btree",
+ "with": {}
+ },
+ "user_achv_notified_idx": {
+ "name": "user_achv_notified_idx",
+ "columns": [
+ {
+ "expression": "user_id",
+ "isExpression": false,
+ "asc": true,
+ "nulls": "last",
+ "opclass": "int4_ops"
+ },
+ {
+ "expression": "notified",
+ "isExpression": false,
+ "asc": true,
+ "nulls": "last",
+ "opclass": "bool_ops"
+ }
+ ],
+ "isUnique": false,
+ "concurrently": false,
+ "method": "btree",
+ "with": {}
+ },
+ "user_achv_time_idx": {
+ "name": "user_achv_time_idx",
+ "columns": [
+ {
+ "expression": "user_id",
+ "isExpression": false,
+ "asc": true,
+ "nulls": "last",
+ "opclass": "int4_ops"
+ },
+ {
+ "expression": "unlock_time",
+ "isExpression": false,
+ "asc": false,
+ "nulls": "first",
+ "opclass": "timestamptz_ops"
+ }
+ ],
+ "isUnique": false,
+ "concurrently": false,
+ "method": "btree",
+ "with": {}
+ }
+ },
+ "foreignKeys": {
+ "user_achievement_achievement_id_29db600d_fk_achievement_id": {
+ "name": "user_achievement_achievement_id_29db600d_fk_achievement_id",
+ "tableFrom": "user_achievement",
+ "tableTo": "achievement",
+ "columnsFrom": [
+ "achievement_id"
+ ],
+ "columnsTo": [
+ "id"
+ ],
+ "onDelete": "cascade",
+ "onUpdate": "no action"
+ },
+ "user_achievement_user_id_b8ec7d6a_fk_user_id": {
+ "name": "user_achievement_user_id_b8ec7d6a_fk_user_id",
+ "tableFrom": "user_achievement",
+ "tableTo": "user",
+ "columnsFrom": [
+ "user_id"
+ ],
+ "columnsTo": [
+ "id"
+ ],
+ "onDelete": "no action",
+ "onUpdate": "no action"
+ }
+ },
+ "compositePrimaryKeys": {},
+ "uniqueConstraints": {
+ "unique_user_achievement": {
+ "name": "unique_user_achievement",
+ "nullsNotDistinct": false,
+ "columns": [
+ "achievement_id",
+ "user_id"
+ ]
+ }
+ },
+ "policies": {},
+ "checkConstraints": {},
+ "isRLSEnabled": false
+ },
+ "public.user_badge": {
+ "name": "user_badge",
+ "schema": "",
+ "columns": {
+ "id": {
+ "name": "id",
+ "type": "bigint",
+ "primaryKey": true,
+ "notNull": true,
+ "identity": {
+ "type": "byDefault",
+ "name": "user_badge_id_seq",
+ "schema": "public",
+ "increment": "1",
+ "startWith": "1",
+ "minValue": "1",
+ "maxValue": "9223372036854775807",
+ "cache": "1",
+ "cycle": false
+ }
+ },
+ "earned_time": {
+ "name": "earned_time",
+ "type": "timestamp with time zone",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "badge_id": {
+ "name": "badge_id",
+ "type": "bigint",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "user_id": {
+ "name": "user_id",
+ "type": "integer",
+ "primaryKey": false,
+ "notNull": true
+ }
+ },
+ "indexes": {
+ "user_badge_badge_id_92a983e9": {
+ "name": "user_badge_badge_id_92a983e9",
+ "columns": [
+ {
+ "expression": "badge_id",
+ "isExpression": false,
+ "asc": true,
+ "nulls": "last",
+ "opclass": "int8_ops"
+ }
+ ],
+ "isUnique": false,
+ "concurrently": false,
+ "method": "btree",
+ "with": {}
+ }
+ },
+ "foreignKeys": {
+ "user_badge_badge_id_92a983e9_fk_problemset_badge_id": {
+ "name": "user_badge_badge_id_92a983e9_fk_problemset_badge_id",
+ "tableFrom": "user_badge",
+ "tableTo": "problemset_badge",
+ "columnsFrom": [
+ "badge_id"
+ ],
+ "columnsTo": [
+ "id"
+ ],
+ "onDelete": "cascade",
+ "onUpdate": "no action"
+ },
+ "user_badge_user_id_a286d718_fk_user_id": {
+ "name": "user_badge_user_id_a286d718_fk_user_id",
+ "tableFrom": "user_badge",
+ "tableTo": "user",
+ "columnsFrom": [
+ "user_id"
+ ],
+ "columnsTo": [
+ "id"
+ ],
+ "onDelete": "no action",
+ "onUpdate": "no action"
+ }
+ },
+ "compositePrimaryKeys": {},
+ "uniqueConstraints": {
+ "unique_user_badge": {
+ "name": "unique_user_badge",
+ "nullsNotDistinct": false,
+ "columns": [
+ "badge_id",
+ "user_id"
+ ]
+ }
+ },
+ "policies": {},
+ "checkConstraints": {},
+ "isRLSEnabled": false
+ },
+ "public.user_profile": {
+ "name": "user_profile",
+ "schema": "",
+ "columns": {
+ "id": {
+ "name": "id",
+ "type": "serial",
+ "primaryKey": true,
+ "notNull": true
+ },
+ "acm_problems_status": {
+ "name": "acm_problems_status",
+ "type": "jsonb",
+ "primaryKey": false,
+ "notNull": true,
+ "default": "'{}'::jsonb"
+ },
+ "avatar": {
+ "name": "avatar",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "mood": {
+ "name": "mood",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": false
+ },
+ "accepted_number": {
+ "name": "accepted_number",
+ "type": "integer",
+ "primaryKey": false,
+ "notNull": true,
+ "default": 0
+ },
+ "submission_number": {
+ "name": "submission_number",
+ "type": "integer",
+ "primaryKey": false,
+ "notNull": true,
+ "default": 0
+ },
+ "user_id": {
+ "name": "user_id",
+ "type": "integer",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "real_name": {
+ "name": "real_name",
+ "type": "text",
+ "primaryKey": false,
+ "notNull": false
+ }
+ },
+ "indexes": {},
+ "foreignKeys": {
+ "user_profile_user_id_8fdce8e2_fk_user_id": {
+ "name": "user_profile_user_id_8fdce8e2_fk_user_id",
+ "tableFrom": "user_profile",
+ "tableTo": "user",
+ "columnsFrom": [
+ "user_id"
+ ],
+ "columnsTo": [
+ "id"
+ ],
+ "onDelete": "cascade",
+ "onUpdate": "no action"
+ }
+ },
+ "compositePrimaryKeys": {},
+ "uniqueConstraints": {
+ "user_profile_user_id_key": {
+ "name": "user_profile_user_id_key",
+ "nullsNotDistinct": false,
+ "columns": [
+ "user_id"
+ ]
+ }
+ },
+ "policies": {},
+ "checkConstraints": {},
+ "isRLSEnabled": false
+ },
+ "public.user_stat": {
+ "name": "user_stat",
+ "schema": "",
+ "columns": {
+ "id": {
+ "name": "id",
+ "type": "bigint",
+ "primaryKey": true,
+ "notNull": true,
+ "identity": {
+ "type": "byDefault",
+ "name": "user_stat_id_seq",
+ "schema": "public",
+ "increment": "1",
+ "startWith": "1",
+ "minValue": "1",
+ "maxValue": "9223372036854775807",
+ "cache": "1",
+ "cycle": false
+ }
+ },
+ "metrics": {
+ "name": "metrics",
+ "type": "jsonb",
+ "primaryKey": false,
+ "notNull": true,
+ "default": "'{}'::jsonb"
+ },
+ "update_time": {
+ "name": "update_time",
+ "type": "timestamp with time zone",
+ "primaryKey": false,
+ "notNull": true
+ },
+ "user_id": {
+ "name": "user_id",
+ "type": "integer",
+ "primaryKey": false,
+ "notNull": true
+ }
+ },
+ "indexes": {},
+ "foreignKeys": {
+ "user_stat_user_id_73337fc0_fk_user_id": {
+ "name": "user_stat_user_id_73337fc0_fk_user_id",
+ "tableFrom": "user_stat",
+ "tableTo": "user",
+ "columnsFrom": [
+ "user_id"
+ ],
+ "columnsTo": [
+ "id"
+ ],
+ "onDelete": "cascade",
+ "onUpdate": "no action"
+ }
+ },
+ "compositePrimaryKeys": {},
+ "uniqueConstraints": {
+ "user_stat_user_id_key": {
+ "name": "user_stat_user_id_key",
+ "nullsNotDistinct": false,
+ "columns": [
+ "user_id"
+ ]
+ }
+ },
+ "policies": {},
+ "checkConstraints": {},
+ "isRLSEnabled": false
+ }
+ },
+ "enums": {},
+ "schemas": {},
+ "sequences": {},
+ "roles": {},
+ "policies": {},
+ "views": {},
+ "_meta": {
+ "columns": {},
+ "schemas": {},
+ "tables": {}
+ }
+}
\ No newline at end of file
diff --git a/apps/api/src/db/meta/_journal.json b/apps/api/src/db/meta/_journal.json
index db683c8..09564ac 100644
--- a/apps/api/src/db/meta/_journal.json
+++ b/apps/api/src/db/meta/_journal.json
@@ -176,6 +176,13 @@
"when": 1790732755406,
"tag": "0024_add_class_lesson_language",
"breakpoints": true
+ },
+ {
+ "idx": 25,
+ "version": "7",
+ "when": 1791521256834,
+ "tag": "0025_submission_problem_user_idx",
+ "breakpoints": true
}
]
}
\ No newline at end of file
diff --git a/apps/api/src/db/schema.ts b/apps/api/src/db/schema.ts
index 5310e75..591d808 100644
--- a/apps/api/src/db/schema.ts
+++ b/apps/api/src/db/schema.ts
@@ -906,6 +906,24 @@ export const submission = pgTable(
table.createTime.asc().nullsLast(),
)
.where(sql`${table.contestId} is null`),
+ /**
+ * 题目列表每一页的「做对 / 做过人数」（`services/problem-progress.ts` 的
+ * problemUserCounts）：按 problem_id 取一页 30 道题、数 distinct user_id。
+ * 上面那条以 user_id 打头，按题号查只能把整棵索引 11 万行扫一遍再滤，12–18ms 而且
+ * 随提交数线性涨；这条以 problem_id 打头，快照实测 12ms → 3.6ms，「最多人做对」排序
+ * 的全表聚合 85ms → 16ms。
+ *
+ * problem_user_idx 也以 problem_id 打头，但它不是部分索引、也不带 result，规划器
+ * 不选它（还得回表看 contest_id 和 result）。
+ */
+ index("submission_public_problem_user_idx")
+ .using(
+ "btree",
+ table.problemId.asc().nullsLast(),
+ table.userId.asc().nullsLast(),
+ table.result.asc().nullsLast(),
+ )
+ .where(sql`${table.contestId} is null`),
foreignKey({
columns: [table.contestId],
foreignColumns: [contest.id],
diff --git a/apps/web/src/oj/problem/components/ProblemTypeTag.vue b/apps/web/src/oj/problem/components/ProblemTypeTag.vue
index b91c706..f042ccb 100644
--- a/apps/web/src/oj/problem/components/ProblemTypeTag.vue
+++ b/apps/web/src/oj/problem/components/ProblemTypeTag.vue
@@ -1,7 +1,6 @@
-
+
{{ PROBLEM_TYPE_LABEL[props.kind] }}
@@ -64,7 +54,31 @@ const style = computed(() => {
white-space: nowrap;
}
+/* 主题里没有紫色，两套手配的值，字都压到 4.5:1 以上 */
.type-tag.flowchart {
font-weight: 600;
+ color: #5b2fa6;
+ background: #efe8fb;
+ border-color: transparent;
+}
+
+html.dark .type-tag.flowchart {
+ color: #c4adf5;
+ background: rgba(160, 120, 240, 0.18);
+}
+
+.type-tag.ast {
+ color: var(--tag-info);
+ border-color: #b9cdee;
+}
+
+html.dark .type-tag.ast {
+ color: var(--tag-info-dark);
+ border-color: rgba(112, 192, 232, 0.45);
+}
+
+.type-tag.reference {
+ color: var(--tag-muted);
+ border-color: var(--tag-border);
}
diff --git a/apps/web/src/oj/problem/list.vue b/apps/web/src/oj/problem/list.vue
index 0680755..ca5fe89 100644
--- a/apps/web/src/oj/problem/list.vue
+++ b/apps/web/src/oj/problem/list.vue
@@ -110,7 +110,9 @@ async function listProblems() {
total.value = res.total
problems.value = res.results
loaded.value = true
+ // 左栏「全部题目」的题数：没筛的时候这一页的 total 就是；带着筛选进来的才单独数一次
if (!query.tag && !hasExtraFilter.value && !undoneOn.value) allCount.value = res.total
+ else if (!allCount.value) allCount.value = (await getProblemList(0, 1, {})).total
}
async function loadSide() {
@@ -120,7 +122,6 @@ async function loadSide() {
])
tags.value = tagRes
progress.value = progressRes
- if (!allCount.value) allCount.value = (await getProblemList(0, 1, {})).total
}
watchDebounced(() => query.keyword, listProblems, { debounce: 500, maxWait: 1000 })