|
| 1 | +from alembic import op |
| 2 | + |
| 3 | +revision = "0023" |
| 4 | +down_revision = "0022" |
| 5 | +branch_labels = None |
| 6 | +depends_on = None |
| 7 | +on_cluster = ( |
| 8 | + " ON CLUSTER '{{CLICKHOUSE_CLUSTER_NAME}}' " |
| 9 | + if "{{CLICKHOUSE_CLUSTER_NAME}}" |
| 10 | + else "" |
| 11 | +) |
| 12 | +engine = ( |
| 13 | + "ReplicatedReplacingMergeTree" |
| 14 | + if "{{CLICKHOUSE_CLUSTER_NAME}}" |
| 15 | + else "ReplacingMergeTree" |
| 16 | +) |
| 17 | + |
| 18 | + |
| 19 | +def drop_objects(): |
| 20 | + op.execute( |
| 21 | + f""" |
| 22 | + DROP TABLE IF EXISTS {{ ASPECTS_EVENT_SINK_DATABASE }}.{{ ASPECTS_EVENT_SINK_RECENT_BLOCKS_TABLE }} |
| 23 | + {on_cluster} |
| 24 | + """ |
| 25 | + ) |
| 26 | + |
| 27 | + op.execute( |
| 28 | + f""" |
| 29 | + DROP VIEW IF EXISTS {{ ASPECTS_EVENT_SINK_DATABASE }}.{{ ASPECTS_EVENT_SINK_RECENT_BLOCKS_MV }} |
| 30 | + {on_cluster} |
| 31 | + """ |
| 32 | + ) |
| 33 | + |
| 34 | + # We include these drop statements here because "CREATE OR REPLACE DICTIONARY" |
| 35 | + # currently throws a file rename error and you can't drop a dictionary with a |
| 36 | + # table referring to it. |
| 37 | + op.execute( |
| 38 | + f""" |
| 39 | + DROP TABLE IF EXISTS {{ ASPECTS_EVENT_SINK_DATABASE }}.course_block_names |
| 40 | + {on_cluster} |
| 41 | + """ |
| 42 | + ) |
| 43 | + op.execute( |
| 44 | + f""" |
| 45 | + DROP DICTIONARY IF EXISTS {{ ASPECTS_EVENT_SINK_DATABASE }}.course_block_names_dict |
| 46 | + {on_cluster} |
| 47 | + """ |
| 48 | + ) |
| 49 | + |
| 50 | + |
| 51 | +def upgrade(): |
| 52 | + drop_objects() |
| 53 | + |
| 54 | + op.execute( |
| 55 | + f""" |
| 56 | + CREATE TABLE IF NOT EXISTS {{ ASPECTS_EVENT_SINK_DATABASE }}.{{ ASPECTS_EVENT_SINK_RECENT_BLOCKS_TABLE }} |
| 57 | + {on_cluster} |
| 58 | + ( |
| 59 | + location String NOT NULL, |
| 60 | + display_name String NOT NULL, |
| 61 | + display_name_with_location String NOT NULL, |
| 62 | + section Int32, |
| 63 | + subsection Int32, |
| 64 | + unit Int32, |
| 65 | + graded Bool, |
| 66 | + course_key String, |
| 67 | + dump_id UUID NOT NULL, |
| 68 | + time_last_dumped String NOT NULL |
| 69 | + ) engine = {engine} |
| 70 | + PRIMARY KEY (location); |
| 71 | + """ |
| 72 | + ) |
| 73 | + |
| 74 | + op.execute( |
| 75 | + f""" |
| 76 | + create materialized view if not exists {{ ASPECTS_EVENT_SINK_DATABASE }}.{{ ASPECTS_EVENT_SINK_RECENT_BLOCKS_MV }} |
| 77 | + {on_cluster} |
| 78 | + to {{ ASPECTS_EVENT_SINK_DATABASE }}.{{ ASPECTS_EVENT_SINK_RECENT_BLOCKS_TABLE }} as |
| 79 | + select |
| 80 | + location, |
| 81 | + display_name, |
| 82 | + toString(section) || ':' || toString(subsection) || ':' || toString(unit) || ' - ' || display_name as display_name_with_location, |
| 83 | + JSONExtractInt(xblock_data_json, 'section') as section, |
| 84 | + JSONExtractInt(xblock_data_json, 'subsection') as subsection, |
| 85 | + JSONExtractInt(xblock_data_json, 'unit') as unit, |
| 86 | + JSONExtractBool(xblock_data_json, 'graded') as graded, |
| 87 | + course_key, |
| 88 | + dump_id, |
| 89 | + time_last_dumped |
| 90 | + from {{ ASPECTS_EVENT_SINK_DATABASE }}.{{ ASPECTS_EVENT_SINK_NODES_TABLE }} |
| 91 | + """ |
| 92 | + ) |
| 93 | + |
| 94 | + op.execute( |
| 95 | + """ |
| 96 | + insert into {{ ASPECTS_EVENT_SINK_DATABASE }}.{{ ASPECTS_EVENT_SINK_RECENT_BLOCKS_TABLE }} ( |
| 97 | + location, display_name, display_name_with_location, section, subsection, unit, graded, course_key, dump_id, time_last_dumped |
| 98 | + ) |
| 99 | + select |
| 100 | + location, |
| 101 | + display_name, |
| 102 | + toString(section) || ':' || toString(subsection) || ':' || toString(unit) || '- ' || display_name as display_name_with_location, |
| 103 | + JSONExtractInt(xblock_data_json, 'section') as section, |
| 104 | + JSONExtractInt(xblock_data_json, 'subsection') as subsection, |
| 105 | + JSONExtractInt(xblock_data_json, 'unit') as unit, |
| 106 | + JSONExtractBool(xblock_data_json, 'graded') as graded, |
| 107 | + course_key, |
| 108 | + dump_id, |
| 109 | + time_last_dumped |
| 110 | + from {{ ASPECTS_EVENT_SINK_DATABASE }}.{{ ASPECTS_EVENT_SINK_NODES_TABLE }}; |
| 111 | + """ |
| 112 | + ) |
| 113 | + |
| 114 | + op.execute( |
| 115 | + f""" |
| 116 | + CREATE DICTIONARY {{ ASPECTS_EVENT_SINK_DATABASE }}.course_block_names_dict |
| 117 | + {on_cluster} |
| 118 | + ( |
| 119 | + location String, |
| 120 | + block_name String, |
| 121 | + course_key String, |
| 122 | + graded Bool, |
| 123 | + display_name_with_location String |
| 124 | + ) |
| 125 | + PRIMARY KEY location |
| 126 | + SOURCE(CLICKHOUSE( |
| 127 | + user '{{ CLICKHOUSE_ADMIN_USER }}' |
| 128 | + password '{{ CLICKHOUSE_ADMIN_PASSWORD }}' |
| 129 | + db '{{ ASPECTS_EVENT_SINK_DATABASE }}' |
| 130 | + query " |
| 131 | + select |
| 132 | + location, |
| 133 | + display_name, |
| 134 | + course_key, |
| 135 | + graded, |
| 136 | + display_name_with_location |
| 137 | + from {{ ASPECTS_EVENT_SINK_DATABASE }}.{{ ASPECTS_EVENT_SINK_RECENT_BLOCKS_TABLE }} |
| 138 | + final |
| 139 | + " |
| 140 | + )) |
| 141 | + LAYOUT(COMPLEX_KEY_SPARSE_HASHED()) |
| 142 | + LIFETIME(120); |
| 143 | + """ |
| 144 | + ) |
| 145 | + |
| 146 | + op.execute( |
| 147 | + f""" |
| 148 | + CREATE OR REPLACE TABLE {{ ASPECTS_EVENT_SINK_DATABASE }}.course_block_names |
| 149 | + {on_cluster} |
| 150 | + ( |
| 151 | + location String, |
| 152 | + block_name String, |
| 153 | + course_key String, |
| 154 | + graded Bool, |
| 155 | + display_name_with_location String |
| 156 | + ) engine = Dictionary({{ ASPECTS_EVENT_SINK_DATABASE }}.course_block_names_dict) |
| 157 | + ; |
| 158 | + """ |
| 159 | + ) |
| 160 | + |
| 161 | + |
| 162 | +def downgrade(): |
| 163 | + drop_objects() |
| 164 | + op.execute( |
| 165 | + f""" |
| 166 | + CREATE DICTIONARY {{ ASPECTS_EVENT_SINK_DATABASE }}.course_block_names_dict |
| 167 | + {on_cluster} |
| 168 | + ( |
| 169 | + location String, |
| 170 | + block_name String, |
| 171 | + course_key String, |
| 172 | + graded Bool |
| 173 | + ) |
| 174 | + PRIMARY KEY location |
| 175 | + SOURCE(CLICKHOUSE( |
| 176 | + user '{{ CLICKHOUSE_ADMIN_USER }}' |
| 177 | + password '{{ CLICKHOUSE_ADMIN_PASSWORD }}' |
| 178 | + db '{{ ASPECTS_EVENT_SINK_DATABASE }}' |
| 179 | + query "with most_recent_blocks as ( |
| 180 | + select org, course_key, location, max(edited_on) as last_modified |
| 181 | + from {{ ASPECTS_EVENT_SINK_DATABASE }}.{{ ASPECTS_EVENT_SINK_NODES_TABLE }} |
| 182 | + group by org, course_key, location |
| 183 | + ) |
| 184 | + select |
| 185 | + location, |
| 186 | + display_name, |
| 187 | + course_key, |
| 188 | + JSONExtractBool(xblock_data_json, 'graded') as graded |
| 189 | + from {{ ASPECTS_EVENT_SINK_DATABASE }}.{{ ASPECTS_EVENT_SINK_NODES_TABLE }} co |
| 190 | + inner join most_recent_blocks mrb on |
| 191 | + co.org = mrb.org and |
| 192 | + co.course_key = mrb.course_key and |
| 193 | + co.location = mrb.location and |
| 194 | + co.edited_on = mrb.last_modified |
| 195 | + " |
| 196 | + )) |
| 197 | + LAYOUT(COMPLEX_KEY_SPARSE_HASHED()) |
| 198 | + LIFETIME(120); |
| 199 | + """ |
| 200 | + ) |
| 201 | + |
| 202 | + op.execute( |
| 203 | + f""" |
| 204 | + CREATE OR REPLACE TABLE {{ ASPECTS_EVENT_SINK_DATABASE }}.course_block_names |
| 205 | + {on_cluster} |
| 206 | + ( |
| 207 | + location String, |
| 208 | + block_name String, |
| 209 | + course_key String, |
| 210 | + graded Bool |
| 211 | + ) engine = Dictionary({{ ASPECTS_EVENT_SINK_DATABASE }}.course_block_names_dict) |
| 212 | + ; |
| 213 | + """ |
| 214 | + ) |
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