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const util = require('util');
const parser = require('./parser');
const arraySort = (a, b) => {
if (a > b) return 1;
Eif (a < b) return -1;
return 0;
};
const normalizeTypeDef = (typeDef) => {
const formattedTypeDef = typeDef.replace(/[\s]/g, '').replace(/varchar/g, 'text').replace(/frozen/ig, 'frozen');
const frozenMatch = formattedTypeDef.match(/frozen</g);
if (frozenMatch && frozenMatch.length) return formattedTypeDef.replace(/frozen</g, '').slice(0, -1 * frozenMatch.length);
return formattedTypeDef;
};
const normalizer = {
normalize_replication_option(replicationOptions) {
const normalizedReplicationOptions = replicationOptions;
Object.keys(normalizedReplicationOptions).forEach((key) => {
if (key === 'class') {
normalizedReplicationOptions[key] = normalizedReplicationOptions[key].replace('org.apache.cassandra.locator.', '');
return;
}
normalizedReplicationOptions[key] = parseInt(normalizedReplicationOptions[key], 10);
});
return normalizedReplicationOptions;
},
normalize_query_option(options) {
const queryOptions = { prepare: options.prepare };
Iif (options.consistency) queryOptions.consistency = options.consistency;
if (options.fetchSize) queryOptions.fetchSize = options.fetchSize;
Iif (options.autoPage) queryOptions.autoPage = options.autoPage;
Iif (options.hints) queryOptions.hints = options.hints;
Iif (options.pageState) queryOptions.pageState = options.pageState;
Iif (options.retry) queryOptions.retry = options.retry;
Iif (options.serialConsistency) queryOptions.serialConsistency = options.serialConsistency;
Iif (options.customPayload) queryOptions.customPayload = options.customPayload;
Iif (options.isIdempotent) queryOptions.isIdempotent = options.isIdempotent;
Iif (options.readTimeout) queryOptions.readTimeout = options.readTimeout;
Iif (options.retry) queryOptions.retry = options.retry;
Iif (options.retryOnTimeout) queryOptions.retryOnTimeout = options.retryOnTimeout;
Iif (options.routingIndexes) queryOptions.routingIndexes = options.routingIndexes;
Iif (options.routingKey) queryOptions.routingKey = options.routingKey;
Iif (options.routingNames) queryOptions.routingNames = options.routingNames;
Iif (options.timestamp) queryOptions.timestamp = options.timestamp;
return queryOptions;
},
normalize_user_defined_type(fieldType) {
return normalizeTypeDef(fieldType);
},
normalize_primary_key(outputSchema) {
if (outputSchema.key && typeof outputSchema.key[0] === 'string') {
outputSchema.key[0] = [outputSchema.key[0]];
}
Eif (outputSchema.key && outputSchema.key.length) {
for (let i = 1; i < outputSchema.key.length; i++) {
if (!outputSchema.clustering_order) outputSchema.clustering_order = {};
if (!outputSchema.clustering_order[outputSchema.key[i]]) {
outputSchema.clustering_order[outputSchema.key[i]] = 'ASC';
}
// eslint-disable-next-line max-len
outputSchema.clustering_order[outputSchema.key[i]] = outputSchema.clustering_order[outputSchema.key[i]].toUpperCase();
}
}
},
normalize_fields(modelSchema, outputSchema) {
Object.keys(outputSchema.fields).forEach((fieldName) => {
if (typeof (outputSchema.fields[fieldName]) === 'string') {
outputSchema.fields[fieldName] = { type: outputSchema.fields[fieldName] };
}
if (fieldName === 'solr_query' || outputSchema.fields[fieldName].virtual) {
delete outputSchema.fields[fieldName];
return;
}
if (outputSchema.fields[fieldName].typeDef) {
outputSchema.fields[fieldName] = {
type: outputSchema.fields[fieldName].type,
typeDef: outputSchema.fields[fieldName].typeDef,
};
} else {
outputSchema.fields[fieldName] = { type: outputSchema.fields[fieldName].type };
}
if (outputSchema.fields[fieldName].type === 'varchar') {
outputSchema.fields[fieldName].type = 'text';
}
if (['map', 'list', 'set', 'frozen'].includes(outputSchema.fields[fieldName].type)) {
if (modelSchema.typeMaps && modelSchema.typeMaps[fieldName]) {
outputSchema.fields[fieldName].typeDef = normalizeTypeDef(modelSchema.typeMaps[fieldName]);
} else {
outputSchema.fields[fieldName].typeDef = normalizeTypeDef(outputSchema.fields[fieldName].typeDef);
}
}
if (modelSchema.staticMaps && modelSchema.staticMaps[fieldName] === true) {
outputSchema.fields[fieldName].static = true;
} else if (modelSchema.fields[fieldName].static) {
outputSchema.fields[fieldName].static = true;
}
});
},
normalize_materialized_views(outputSchema) {
if (!outputSchema.materialized_views) {
outputSchema.materialized_views = {};
}
Object.keys(outputSchema.materialized_views).forEach((materializedViewName) => {
const outputMView = outputSchema.materialized_views[materializedViewName];
// make parition key an array
if (outputMView.key && typeof outputMView.key[0] === 'string') {
outputMView.key[0] = [outputMView.key[0]];
}
// add clustering_order for all clustering keys
Eif (outputMView.key && outputMView.key.length) {
for (let i = 1; i < outputMView.key.length; i++) {
if (!outputMView.clustering_order) {
outputMView.clustering_order = {};
}
if (!outputMView.clustering_order[outputMView.key[i]]) {
outputMView.clustering_order[outputMView.key[i]] = 'ASC';
}
// eslint-disable-next-line max-len
outputMView.clustering_order[outputMView.key[i]] = outputMView.clustering_order[outputMView.key[i]].toUpperCase();
}
}
// add all non existent primary key items to select and sort them
for (let pkeyIndex = 0; pkeyIndex < outputMView.key.length; pkeyIndex++) {
if (pkeyIndex === 0) {
for (let partitionIndex = 0; partitionIndex < outputMView.key[pkeyIndex].length; partitionIndex++) {
if (!outputMView.select.includes(outputMView.key[pkeyIndex][partitionIndex])) {
outputMView.select.push(outputMView.key[pkeyIndex][partitionIndex]);
}
}
} else if (!outputMView.select.includes(outputMView.key[pkeyIndex])) {
outputMView.select.push(outputMView.key[pkeyIndex]);
}
}
// check if select has * and then add all fields to select
if (outputMView.select[0] === '*') {
outputMView.select = Object.keys(outputSchema.fields);
}
outputMView.select.sort(arraySort);
if (!outputMView.where_clause) {
outputMView.where_clause = parser.get_mview_where_clause(outputSchema, outputMView).trim();
}
if (_.isPlainObject(outputMView.filters)) {
delete outputMView.filters;
}
});
},
normalize_indexes(outputSchema) {
if (!outputSchema.indexes) {
outputSchema.indexes = [];
}
for (let i = 0; i < outputSchema.indexes.length; i++) {
const indexNameList = outputSchema.indexes[i].replace(/["\s]/g, '').split(/[()]/g);
if (indexNameList.length > 1) {
indexNameList[0] = indexNameList[0].toLowerCase();
if (indexNameList[0] === 'values') outputSchema.indexes[i] = indexNameList[1];
else outputSchema.indexes[i] = util.format('%s(%s)', indexNameList[0], indexNameList[1]);
} else {
outputSchema.indexes[i] = indexNameList[0];
}
}
outputSchema.indexes.sort(arraySort);
},
normalize_custom_indexes(outputSchema) {
Iif (outputSchema.custom_index) {
outputSchema.custom_indexes = [outputSchema.custom_index];
delete outputSchema.custom_index;
}
if (outputSchema.custom_indexes) {
const customArraySort = (a, b) => {
Eif (a.on > b.on) return 1;
if (a.on < b.on) return -1;
if (a.using > b.using) return 1;
if (a.using < b.using) return -1;
if (a.options > b.options) return 1;
if (a.options < b.options) return -1;
return 0;
};
outputSchema.custom_indexes.sort(customArraySort);
} else {
outputSchema.custom_indexes = [];
}
outputSchema.custom_indexes = _.remove(outputSchema.custom_indexes, (cindex) => (cindex.on !== 'solr_query'));
},
normalize_model_schema(modelSchema) {
const outputSchema = _.cloneDeep(modelSchema, true);
const normalizableSchemaProperties = [
'fields', 'key', 'clustering_order', 'materialized_views', 'indexes', 'custom_index', 'custom_indexes',
];
Object.keys(outputSchema).forEach((schemaProperty) => {
if (!normalizableSchemaProperties.includes(schemaProperty)) {
delete outputSchema[schemaProperty];
}
});
this.normalize_fields(modelSchema, outputSchema);
this.normalize_primary_key(outputSchema);
this.normalize_materialized_views(outputSchema);
this.normalize_indexes(outputSchema);
this.normalize_custom_indexes(outputSchema);
return outputSchema;
},
remove_dependent_views_from_normalized_schema(normalizedDBSchema, dbSchema, fieldName) {
const dependentViews = [];
Object.keys(normalizedDBSchema.materialized_views).forEach((dbViewName) => {
if (normalizedDBSchema.materialized_views[dbViewName].select.includes(fieldName)) {
dependentViews.push(dbViewName);
} else if (normalizedDBSchema.materialized_views[dbViewName].select[0] === '*') {
dependentViews.push(dbViewName);
} else if (normalizedDBSchema.materialized_views[dbViewName].key.includes(fieldName)) {
dependentViews.push(dbViewName);
} else if (_.isArray(normalizedDBSchema.materialized_views[dbViewName].key[0])
&& normalizedDBSchema.materialized_views[dbViewName].key[0].includes(fieldName)) {
dependentViews.push(dbViewName);
}
});
dependentViews.forEach((viewName) => {
normalizedDBSchema.materialized_views[viewName] = {};
});
},
};
module.exports = normalizer;
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