2024 Mismatched input

in HTL "||" the OR operations take the second value if first value is empty. for example currently when the author has not enter a date value manually, the HTL automatically updates the HTML to show the jcr values, but as soon as there is a valued field in the dialog box, then that value will overwrite the JCR value.. Dillinger

Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.Why am I getting InputMismatchException? public double checkValueWithin (int min, int max) { double num; Scanner reader = new Scanner (System.in); num = reader.nextDouble (); while (num < min || num > max) { System.out.print ("Invalid. Re-enter number: "); num = reader.nextDouble (); } return num; } public void askForMarks () { double marks ... Jun 18, 2019 · Viewed 18k times. 0. I am trying to fetch multiple rows in zeppelin using spark SQL. Here's my SQL statement: select id, name from target where updated_at = "val1", "val2","val3". This is the error message I'm getting: mismatched input ';' expecting < EOF > (line 1, pos 90) apache-spark-sql. apache-zeppelin. Hello All, I am executing a python script in AWS EMR (Linux) which executes a sql inside or below snippet of code and erroring out. May i please know what mistake i am doing here or how to fix this? edc_hc_final_7_sql=''' SELECT DISTINCT ldim.fnm_l...Option 2: Specify the Keyspace Name in the Query. The second option is to specify the keyspace name in the query for table creation. The first part of the command, before column names and options, looks like this: CREATE TABLE keyspace_name.table_name. This way, you immediately create a table in the keyspace you defined.你需要了解的sql转义符. 作者：刘晓佳Rachel. 一、问题引入. 部分sql报错如下：mismatched input 'from' expecting {<EOF>, '|'} 对于在sql方面知识极大欠缺的小白，在测试过程中查询sql语句时，遭遇数据库无情的报错打击。. 经过分析，发现是由于sql语句中包含特殊字符需要 ...Nov 26, 2019 · I'd like to use this query to create a partitioned table in Amazon Athena: CREATE TABLE IF NOT EXISTS testing.partitioned_test(order_id bigint, name string, car string, country string) PARTITI... Apr 5, 2019 · Custom Jackson deserialization - getting com.fasterxml.jackson.databind.exc.MismatchedInputException: Unexpected end-of-input when binding data 0 MismatchedInputException - Jackson deserialize Oct 11, 2019 · In your match statement remove A1 alias as Merge statement doesn't expect alias.. Try with this statement: MERGE INTO TABLE1 A1 USING TABLE2 A2 ON A1.PROJECT_ID=A2.PROJECT_ID AND A1.GREENFIELD_STATUS_CODE=A2.GREENFIELD_STATUS_CODE AND A1.COUNTRY_CODE=A2.COUNTRY_CODE AND A1.PROJECT_NME=A2.PROJECT_NME WHEN MATCHED THEN UPDATE SET DATETIME_STAMP=A2.DATETIME_STAMP; 「mismatched input 'strategy.exit' expecting 'end of line without line continuation'」 if文を記載したにも関わらず、中身を記載しなかった時。（インデントを含んだ行が記述されない時）「mismatched input ')' expecting ']'」 "close[]" と書くべきところに"close[)"の様に記載した時。I agree, better to parse as timestamps. The final version of the code will do this. because it is a string, you need to use '. Otherwise the syntax will not be correct like SELECT CASE WHEN 2022-01-31 00:00:00 It will understand 2002 as an integer but It gets lost when the - is found.Mar 4, 2022 · This returns the error, 'Mismatched input 'SELECT'. Expecting <expression>. What is the correct way to unnest an array and aggregate the unnested values? sql; line 1:142 mismatched input 'as' expecting Identifier near ')' in subquery source java; sql; hadoop; Share. Improve this question. Follow I agree, better to parse as timestamps. The final version of the code will do this. because it is a string, you need to use '. Otherwise the syntax will not be correct like SELECT CASE WHEN 2022-01-31 00:00:00 It will understand 2002 as an integer but It gets lost when the - is found.Jul 13, 2022 · SyntaxError: line 8:3 mismatched input '' expecting DEDENT (temperatureconverter.py, line 8) the following is the python code, format it for me thanks. Mismatched Input "when" Pyspark but other case when statement works. Ask Question Asked 3 years ago. Modified 3 years ago. Viewed 1k times 0 When I run the following ...Nov 24, 2015 · FAILED: ParseException line 4:23 mismatched input '<directory>' expecting StringLiteral near 'inpath' in load statement Sorry if this is an elementary question. But I've copied it from similar hql statements that work and I can't find a satisfactory answer. Aug 17, 2021 · By default, INSERT queries are not allowed to overwrite existing data. You can use the catalog session property insert_existing_partitions_behavior to allow overwrites. Prepend the name of the catalog using the Hive connector, for example hdfs, and set the property in the session before you run the insert query: SET SESSION hdfs.insert_existing ... The triple quotes @pturmel was talking about are for posting code to the forum. Copy the text of your script and paste it in between triple quotes in the forum and the forum will format your code nicely.Sep 5, 2014 · 5,780 12 57 92. I found this due to a similar error, and it turned out to be caused by single-quotes in my query that were actually left- and right-quotes. – Noah. Sep 17, 2015 at 21:36. you copy pasted command from some site where single quote is not actually single quote. Re-write query by typing single quotes ' '. Mismatched input 'to' expecting 'end of line without line continuation' 0. Already defined or Mismatched input ':=' expecting '=' errors. 0.1 Answer. Three things. You need to have 4 spaces or 1 tab after the if. You cannot call functions like strategy.entry in indicator scripts. You should change this to a strategy. takeprofit is defined in a local scope. You probably want to move that to the global scope by defining it outside of the if block. Then use the := assignment operator ...Aug 5, 2023 · One of those mistakes that gets us the ‘mismatched input’ error is when we use a parenthesis ((or )) instead of a bracket ([or ]). We use parentheses with functions and to change the order of operations. Brackets, on the other hand, are what we use with TradingView’s history referencing operator. 1) For Solution, enter CR with a Workaround if a direct Solution is not available. 2) For HOW TO, enter the procedure in steps. 3) For FAQ, keep your answer crisp with examples.Sometimes it becomes tricky when writing nested "case" statements, use a editor. like notepad++ (Language -> sql) and check if the case/end are balanced.Jun 19, 2016 · It helped but my input stream has seconds in its timestamp i.e. ts and I need total number of records per minute, thats why I have formatted date to exclude seconds entry. Now if I use ts in count and group by clause, I wont be able to get desire results. in HTL "||" the OR operations take the second value if first value is empty. for example currently when the author has not enter a date value manually, the HTL automatically updates the HTML to show the jcr values, but as soon as there is a valued field in the dialog box, then that value will overwrite the JCR value.Nov 26, 2019 · I'd like to use this query to create a partitioned table in Amazon Athena: CREATE TABLE IF NOT EXISTS testing.partitioned_test(order_id bigint, name string, car string, country string) PARTITI... Handling input mismatch exception The only way to handle this exception is to make sure that you enter proper values while passing inputs. It is suggested to specify required values with complete details while reading data from user using scanner class.Mar 13, 2022 · I'm trying to develop an indicator that shows my historic trades for all the tickers in my broker. I'm having a hard time trying to remove the Mismatched input 'to' expecting 'end of line without line continuation'. I've checked the following code with this checker_ticker validation and works correctly. I'd like to use this query to create a partitioned table in Amazon Athena: CREATE TABLE IF NOT EXISTS testing.partitioned_test(order_id bigint, name string, car string, country string) PARTITI...SET mapred.reduce.tasks=1; CREATE EXTERNAL TABLE table1( id string, t string, p string, c string) ROW FORMAT DELIMITED FIELDS TERMINATED BY '\t' LOCATION 's3://input/'; ALTER TABLE table1 RECOVER PARTITIONS; CREATE EXTERNAL TABLE table2 ( id string, t string, p string, c string) ROW FORMAT DELIMITED FIELDS TERMINATED BY '\t' LINES TERMINATED BY ...Mar 4, 2022 · This returns the error, 'Mismatched input 'SELECT'. Expecting <expression>. What is the correct way to unnest an array and aggregate the unnested values? sql; Feb 9, 2021 · Mismatched input 'to' expecting 'end of line without line continuation' 0. Already defined or Mismatched input ':=' expecting '=' errors. 0. By default, INSERT queries are not allowed to overwrite existing data. You can use the catalog session property insert_existing_partitions_behavior to allow overwrites. Prepend the name of the catalog using the Hive connector, for example hdfs, and set the property in the session before you run the insert query: SET SESSION hdfs.insert_existing ...as far as I understand, first you need to list complete matches in the lexical rules. Symbols and keywords. then we write lexical rules like ID. I tried to make ID a parser rule, but still the problem persists. in the plugin, everything is parsed normally (the tree is normally built), and when the program starts, the result is different. 1.in HTL "||" the OR operations take the second value if first value is empty. for example currently when the author has not enter a date value manually, the HTL automatically updates the HTML to show the jcr values, but as soon as there is a valued field in the dialog box, then that value will overwrite the JCR value.line 20: mismatched input 'ema' expecting 'end of the line without line continuation' Can someone let me know what am I missing here? Is there any better way to code this? Also, can we have multiple lines inside if-else statement or should I be having just oneliners?1 Answer. Sorted by: 0. There are a couple of things going wrong: You use Eof, which should be EOF: prog: decl_list function_list main EOF; The function rule looks odd: function: type ID LBR parameter_list RBR Is decl_list Begin statement_block Return LBR expression | RBR SEMI End; I think you should remove the | at the end: | RBR SEMI End; and ...1 Answer. Sorted by: 1. I don't know about hadoop in particular, so maybe there's a dedicated syntax for this, but this looks fishy : ' (sum (t1.'price') as 'price')'. You have quotes pairs enclosed in another quotes pairs. The parser cannot understand this. It will assume the first one to be an opening one, the second one a closing one, the ...Mar 13, 2022 · I'm trying to develop an indicator that shows my historic trades for all the tickers in my broker. I'm having a hard time trying to remove the Mismatched input 'to' expecting 'end of line without line continuation'. I've checked the following code with this checker_ticker validation and works correctly. Sometimes it becomes tricky when writing nested "case" statements, use a editor. like notepad++ (Language -> sql) and check if the case/end are balanced.1 Answer. Sorted by: 1. I don't know about hadoop in particular, so maybe there's a dedicated syntax for this, but this looks fishy : ' (sum (t1.'price') as 'price')'. You have quotes pairs enclosed in another quotes pairs. The parser cannot understand this. It will assume the first one to be an opening one, the second one a closing one, the ...1) Compare length of both lists before executing the loop and completely avoid the loop if they're of unequal length (safest) 2) Compare length, if they're unequal, take the smaller of two and have the loop iterate that many times. (less safe) Edit2: Grammar. Edited February 22, 2012 by trira.mismatched input '=' expecting <EOF> Checklist. I checked on the latest version of Hydra; I created a minimal repro (See this for tips). To reproduce. configs.yaml:Mismatched input 'to' expecting 'end of line without line continuation' 0. Kinda stuck with this "end of line without continuation error". What am i missing here? 0.Mismatched input 'to' expecting 'end of line without line continuation' 0. Already defined or Mismatched input ':=' expecting '=' errors. 0.Mar 29, 2022 · Amazon Athena CREATE EXTERNAL TABLE mismatched input 'external' invalidrequestexception. 2. How to fix SQL for AWS Athena. 0. mismatched input 'from'. Expecting ... 1 Answer. Sorted by: 1. I don't know about hadoop in particular, so maybe there's a dedicated syntax for this, but this looks fishy : ' (sum (t1.'price') as 'price')'. You have quotes pairs enclosed in another quotes pairs. The parser cannot understand this. It will assume the first one to be an opening one, the second one a closing one, the ...HiveSQL - Erorr mismatched input 'as' expecting. Hot Network Questions Is a dryer at risk of overheating on a hot day? ...Mar 29, 2021 · Due to Cassandra's underlying engineering choices with regard to data distribution and read path, OR is not a valid CQL keyword. Cassandra requires you to model tables based on the anticipated query patterns. When you run a query, the goal should be to ensure that it can be served by a single node in the cluster. Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about TeamsHello, I've an issue when I try to use fields and table names with some special characters. My indexes are named like the following xxxxxx-prod-2018.08.28 and the fact that there is a "dash" in the index name. As workaround, I searched like the following query: "SELECT * FROM xxxxxx*28 ORDER BY 1". Any trick to use tables with special characters in their name? Another issue I have and I don't ...Follows the steps. Check if the table is external. If it isn't, use the following statement to make it external. alter table alpha001 set tblproperties ('EXTERNAL'='TRUE'); Drop the table. Since the table is an external table, you can drop it without dropping the actual table. Recreate the table with the new schema.Amazon Athena CREATE EXTERNAL TABLE mismatched input 'external' invalidrequestexception. 1. Amazon Athena - mismatched input 'STORED'. Expecting: <EOF>Viewed 1k times. -1. I am running a process on Spark which uses SQL for the most part. In one of the workflows I am getting the following error: mismatched input 'GROUP' expecting. spark.sql ("SELECT state, AVG (gestation_weeks) " "FROM natality " "WHERE state is not null " "HAVING AVG (gestation_weeks) > (SELECT AVG (gestation_weeks) FROM ...Athena Query Editor Behaving Unexpectedly. I am just starting to use Athena, as well as AWS Glue. With my current setup I have a Kinesis Firehose pushing events to AWS Glue, which dumps into an S3 Bucket, where Athena should query off of. I have successfully gotten a handful of events to record to my S3 Bucket under s3:// {bucket_name}/2018/05 ...Here is my query: CREATE TABLE IF NOT EXISTS "cw-milenko"."calc-milenko" ( 'ticket_id' string, 'sum_stake' float, 'amount_stake_one' string, ) ROW ...Jul 22, 2020 · 1. (1) Eliminate any build problems by removing the obj/ and bin/ directories. Do a scan to make sure you are placing the generated .cs files exactly where you expect them to be. (2) After the parse, print out the token stream and parse tree. – kaby76. Jul 21, 2020 at 22:57. 1. Nov 27, 2021 · 1 Answer. Sorted by: 0. You have not used string interpolation in correct place. As suggested by @Lamanus in comment section change your code as shown below. val q1 = s"select * from empDF1 where salary > $ {sal}" scala> val df = spark.sql (q1) Share. Improve this answer. 1 Answer. select distinct id from ( (select distinct col1 as id from table1) union . . . (select distinct coln as id from tablen) ) t where id in ('list of ids'); Note: You have too many distinct s. The union removes duplicates in the subquery. So, there is no need for select distinct in either the outer query or the subqueries. Aug 17, 2020 · Mismatched Input "when" Pyspark but other case when statement works. Ask Question Asked 3 years ago. Modified 3 years ago. Viewed 1k times 0 When I run the following ... The thing is that the architecture doesn't allow me to get the full object. I can only have some fields from the RemoteObject. So the thing I can do is: Integer duration = getRemoteObjectDuration (); kSession.insert (duration); kSession.fireAllRules (); [6,2]: [ERR 102] Line 6:2 mismatched input '>' in rule "RuleTable_11" [14,2]: [ERR 102] Line ...Aug 28, 2018 · Hello, I've an issue when I try to use fields and table names with some special characters. My indexes are named like the following xxxxxx-prod-2018.08.28 and the fact that there is a "dash" in the index name. As workaround, I searched like the following query: "SELECT * FROM xxxxxx*28 ORDER BY 1". Any trick to use tables with special characters in their name? Another issue I have and I don't ... Oct 11, 2019 · In your match statement remove A1 alias as Merge statement doesn't expect alias.. Try with this statement: MERGE INTO TABLE1 A1 USING TABLE2 A2 ON A1.PROJECT_ID=A2.PROJECT_ID AND A1.GREENFIELD_STATUS_CODE=A2.GREENFIELD_STATUS_CODE AND A1.COUNTRY_CODE=A2.COUNTRY_CODE AND A1.PROJECT_NME=A2.PROJECT_NME WHEN MATCHED THEN UPDATE SET DATETIME_STAMP=A2.DATETIME_STAMP; Hello All, I am executing a python script in AWS EMR (Linux) which executes a sql inside or below snippet of code and erroring out. May i please know what mistake i am doing here or how to fix this? edc_hc_final_7_sql=''' SELECT DISTINCT ldim.fnm_l... I'd like to use this query to create a partitioned table in Amazon Athena: CREATE TABLE IF NOT EXISTS testing.partitioned_test(order_id bigint, name string, car string, country string) PARTITI...Mismatched input 'to' expecting 'end of line without line continuation' 0. Already defined or Mismatched input ':=' expecting '=' errors. 0.Sep 10, 2022 · as far as I understand, first you need to list complete matches in the lexical rules. Symbols and keywords. then we write lexical rules like ID. I tried to make ID a parser rule, but still the problem persists. in the plugin, everything is parsed normally (the tree is normally built), and when the program starts, the result is different. 1. When I put these The ANTLR Lab Simulation, I receive the error: 1:0 mismatched input 'package' expecting 'package'. I've been staring at example after example, and I'm using the example C grammar on the Lab for guidance, yet I have no clue how to make this thing work...Update 2: Thanks! For people that have control over which Jython version, upgrade to 2.5.3. For those who don't have control over it, use the old style syntax without the decorators: class C (object): def __init__ (self): self._x = None def getx (self): return self._x def setx (self, value): self._x = value def delx (self): del self._x x ...5,780 12 57 92. I found this due to a similar error, and it turned out to be caused by single-quotes in my query that were actually left- and right-quotes. – Noah. Sep 17, 2015 at 21:36. you copy pasted command from some site where single quote is not actually single quote. Re-write query by typing single quotes ' '.line 20: mismatched input 'ema' expecting 'end of the line without line continuation' Can someone let me know what am I missing here? Is there any better way to code this? Also, can we have multiple lines inside if-else statement or should I be having just oneliners?Get the list of partitions and conditionally filter them. Either drop the individual partitions one by one, or pass them as a sequence of [Map [String,String] ( TablePartitionSpec) to the catalog's dropPartitions function. Step 1: // Get External Catalog val catalog = spark.sharedState.externalCatalog // Get the spec from the list of partitions ...Sometimes it becomes tricky when writing nested "case" statements, use a editor. like notepad++ (Language -> sql) and check if the case/end are balanced.I have a query that I am running on AWS athena that should return all the filenames that are not contained in the second table. I am basically trying to find all the filename that are not in ejposSep 10, 2022 · as far as I understand, first you need to list complete matches in the lexical rules. Symbols and keywords. then we write lexical rules like ID. I tried to make ID a parser rule, but still the problem persists. in the plugin, everything is parsed normally (the tree is normally built), and when the program starts, the result is different. 1. 2 Answers. You have an extra comma in tblproperties.That might be an issue. TBLPROPERTIES ( 'has_encrypted_data'='true',) try removing that and see. One issue could be - you have put a comma after the last field name and type. Remove this and try once.The ANTLR Mega Tutorial as a PDF. This is a tutorial on creating a browser-based editor for a new language we are going to define. We are going to use two components: Monaco: it is a great browser-based editor (or a web editor: as you prefer to call it) ANTLR: it is the parser generator we love to use to build all sorts of parsers.Sep 5, 2014 · 5,780 12 57 92. I found this due to a similar error, and it turned out to be caused by single-quotes in my query that were actually left- and right-quotes. – Noah. Sep 17, 2015 at 21:36. you copy pasted command from some site where single quote is not actually single quote. Re-write query by typing single quotes ' '. This browser is no longer supported. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.Mismatched input 'to' expecting 'end of line without line continuation' 0. Already defined or Mismatched input ':=' expecting '=' errors. 0.Jul 13, 2022 · SyntaxError: line 8:3 mismatched input '' expecting DEDENT (temperatureconverter.py, line 8) the following is the python code, format it for me thanks. One of those mistakes that gets us the ‘mismatched input’ error is when we use a parenthesis ((or )) instead of a bracket ([or ]). We use parentheses with functions and to change the order of operations. Brackets, on the other hand, are what we use with TradingView’s history referencing operator.line 1:142 mismatched input 'as' expecting Identifier near ')' in subquery source java; sql; hadoop; Share. Improve this question. Followline 1:0 mismatched input '# include "something" program TEST1 { BLAH BLAH ' expecting {'program', '#'} This really confuses me because it says it's looking for a '#' and there's one right at the start of the input. I dumped the parse tree too. It appears to be stuck right at the top, at the 'program' rule:Viewed 1k times. -1. I am running a process on Spark which uses SQL for the most part. In one of the workflows I am getting the following error: mismatched input 'GROUP' expecting. spark.sql ("SELECT state, AVG (gestation_weeks) " "FROM natality " "WHERE state is not null " "HAVING AVG (gestation_weeks) > (SELECT AVG (gestation_weeks) FROM ...

Inputs overview Common input features Integer (whole number) input Float (fractional number) input Bool (true/false) input String (text) input Colour input Source (price data) input Symbol (instrument) input Session (time range) input Time frame (resolution) input Time (with date) input Price input Input features On/off, yes/no inputs Other inputs. Chuc 016

This returns the error, 'Mismatched input 'SELECT'. Expecting <expression>. What is the correct way to unnest an array and aggregate the unnested values? sql;Mismatched Input "when" Pyspark but other case when statement works. Ask Question Asked 3 years ago. Modified 3 years ago. Viewed 1k times 0 When I run the following ...1 Answer. Sorted by: 1. I don't know about hadoop in particular, so maybe there's a dedicated syntax for this, but this looks fishy : ' (sum (t1.'price') as 'price')'. You have quotes pairs enclosed in another quotes pairs. The parser cannot understand this. It will assume the first one to be an opening one, the second one a closing one, the ...Nov 10, 2021 · Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams mismatched input '=' expecting <EOF> Checklist. I checked on the latest version of Hydra; I created a minimal repro (See this for tips). To reproduce. configs.yaml:Apr 21, 2015 · Language Processing in ANTLR: The Language Processing is done in two strictly separated phases: Lexing, i.e. partitioning the text into tokens. Parsing, i.e. building a parse tree from the tokens. Since lexing must preceed parsing there is a consequence: The lexer is independent of the parser, the parser cannot influence lexing. Option 2: Specify the Keyspace Name in the Query. The second option is to specify the keyspace name in the query for table creation. The first part of the command, before column names and options, looks like this: CREATE TABLE keyspace_name.table_name. This way, you immediately create a table in the keyspace you defined.Apr 7, 2022 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.Provide details and share your research! But avoid …. Asking for help, clarification, or responding to other answers. 1 Answer. Sorted by: 0. There are a couple of things going wrong: You use Eof, which should be EOF: prog: decl_list function_list main EOF; The function rule looks odd: function: type ID LBR parameter_list RBR Is decl_list Begin statement_block Return LBR expression | RBR SEMI End; I think you should remove the | at the end: | RBR SEMI End; and ...The ANTLR Mega Tutorial as a PDF. This is a tutorial on creating a browser-based editor for a new language we are going to define. We are going to use two components: Monaco: it is a great browser-based editor (or a web editor: as you prefer to call it) ANTLR: it is the parser generator we love to use to build all sorts of parsers.Jul 9, 2019 · The triple quotes @pturmel was talking about are for posting code to the forum. Copy the text of your script and paste it in between triple quotes in the forum and the forum will format your code nicely. 3 answers. For the second create table script, try removing REPLACE from the script. It should work. CREATE TABLE DBName.Tableinput COMMENT 'This table uses the CSV format' AS SELECT * FROM Table1; Please don't forget to Accept Answer and Up-vote if the response helped -- Vaibhav. Please sign in to rate this answer.mismatched input '=' expecting <EOF> Checklist. I checked on the latest version of Hydra; I created a minimal repro (See this for tips). To reproduce. configs.yaml:Custom Jackson deserialization - getting com.fasterxml.jackson.databind.exc.MismatchedInputException: Unexpected end-of-input when binding data 0 MismatchedInputException - Jackson deserializeI am trying to create a table in AWS Athena with the following command. However I get the error:mismatched input 'EXTERNAL'. Expecting: 'OR', 'SCHEMA', 'TABLE', 'VIEW'Getting the following error, line 1:8: mismatched input 'EXTERNAL'. Expecting: 'OR', 'SCHEMA', 'TABLE', 'VIEW' when creating an Athena table with the following command, CREATE EXTERNAL TABLE IF NOTThe ANTLR Mega Tutorial as a PDF. This is a tutorial on creating a browser-based editor for a new language we are going to define. We are going to use two components: Monaco: it is a great browser-based editor (or a web editor: as you prefer to call it) ANTLR: it is the parser generator we love to use to build all sorts of parsers..

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